diff --git a/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/IdentityEntityFrameworkBuilderExtensions.cs b/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/IdentityEntityFrameworkBuilderExtensions.cs
index 8a5476d305..6d195c903e 100644
--- a/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/IdentityEntityFrameworkBuilderExtensions.cs
+++ b/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/IdentityEntityFrameworkBuilderExtensions.cs
@@ -9,6 +9,9 @@ using Microsoft.Extensions.DependencyInjection.Extensions;
 
 namespace Microsoft.Extensions.DependencyInjection
 {
+    /// <summary>
+    /// Contains extension methods to <see cref="IdentityBuilder"/> for adding entity framework stores.
+    /// </summary>
     public static class IdentityEntityFrameworkBuilderExtensions
     {
         /// <summary>
diff --git a/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/IdentityRoleClaim.cs b/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/IdentityRoleClaim.cs
index d9a6672b0b..1a4c55e996 100644
--- a/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/IdentityRoleClaim.cs
+++ b/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/IdentityRoleClaim.cs
@@ -32,11 +32,19 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
         /// </summary>
         public virtual string ClaimValue { get; set; }
 
+        /// <summary>
+        /// Constructs a new claim with the type and value.
+        /// </summary>
+        /// <returns></returns>
         public virtual Claim ToClaim()
         {
             return new Claim(ClaimType, ClaimValue);
         }
 
+        /// <summary>
+        /// Initializes by copying ClaimType and ClaimValue from the other claim.
+        /// </summary>
+        /// <param name="other">The claim to initialize from.</param>
         public virtual void InitializeFromClaim(Claim other)
         {
             ClaimType = other?.Type;
diff --git a/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/RoleStore.cs b/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/RoleStore.cs
index 60a40af476..f913931656 100644
--- a/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/RoleStore.cs
+++ b/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/RoleStore.cs
@@ -19,6 +19,11 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
     public class RoleStore<TRole> : RoleStore<TRole, DbContext, string>
         where TRole : IdentityRole<string>
     {
+        /// <summary>
+        /// Constructs a new instance of <see cref="RoleStore{TRole}"/>.
+        /// </summary>
+        /// <param name="context">The <see cref="DbContext"/>.</param>
+        /// <param name="describer">The <see cref="IdentityErrorDescriber"/>.</param>
         public RoleStore(DbContext context, IdentityErrorDescriber describer = null) : base(context, describer) { }
     }
 
@@ -31,6 +36,11 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
         where TRole : IdentityRole<string>
         where TContext : DbContext
     {
+        /// <summary>
+        /// Constructs a new instance of <see cref="RoleStore{TRole, TContext}"/>.
+        /// </summary>
+        /// <param name="context">The <see cref="DbContext"/>.</param>
+        /// <param name="describer">The <see cref="IdentityErrorDescriber"/>.</param>
         public RoleStore(TContext context, IdentityErrorDescriber describer = null) : base(context, describer) { }
     }
 
@@ -47,10 +57,19 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
         where TKey : IEquatable<TKey>
         where TContext : DbContext
     {
-        public RoleStore(TContext context, IdentityErrorDescriber describer = null) : base(context, describer)
-        {
-        }
+        /// <summary>
+        /// Constructs a new instance of <see cref="RoleStore{TRole, TContext, TKey}"/>.
+        /// </summary>
+        /// <param name="context">The <see cref="DbContext"/>.</param>
+        /// <param name="describer">The <see cref="IdentityErrorDescriber"/>.</param>
+        public RoleStore(TContext context, IdentityErrorDescriber describer = null) : base(context, describer) { }
 
+        /// <summary>
+        /// Creates a entity representing a role claim.
+        /// </summary>
+        /// <param name="role">The associated role.</param>
+        /// <param name="claim">The associated claim.</param>
+        /// <returns>The role claim entity.</returns>
         protected override IdentityRoleClaim<TKey> CreateRoleClaim(TRole role, Claim claim)
         {
             return new IdentityRoleClaim<TKey> { RoleId = role.Id, ClaimType = claim.Type, ClaimValue = claim.Value };
@@ -74,6 +93,11 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
         where TUserRole : IdentityUserRole<TKey>
         where TRoleClaim : IdentityRoleClaim<TKey>
     {
+        /// <summary>
+        /// Constructs a new instance of <see cref="RoleStore{TRole, TContext, TKey, TUserRole, TRoleClaim}"/>.
+        /// </summary>
+        /// <param name="context">The <see cref="DbContext"/>.</param>
+        /// <param name="describer">The <see cref="IdentityErrorDescriber"/>.</param>
         public RoleStore(TContext context, IdentityErrorDescriber describer = null)
         {
             if (context == null)
@@ -333,6 +357,9 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
             return Task.FromResult(0);
         }
 
+        /// <summary>
+        /// Throws if this class has been disposed.
+        /// </summary>
         protected void ThrowIfDisposed()
         {
             if (_disposed)
@@ -427,9 +454,9 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
         /// <summary>
         /// Creates a entity representing a role claim.
         /// </summary>
-        /// <param name="role"></param>
-        /// <param name="claim"></param>
-        /// <returns></returns>
+        /// <param name="role">The associated role.</param>
+        /// <param name="claim">The associated claim.</param>
+        /// <returns>The role claim entity.</returns>
         protected abstract TRoleClaim CreateRoleClaim(TRole role, Claim claim);
     }
 }
diff --git a/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/UserStore.cs b/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/UserStore.cs
index 1300eac368..151e462e1a 100644
--- a/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/UserStore.cs
+++ b/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/UserStore.cs
@@ -19,6 +19,11 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
     /// </summary>
     public class UserStore : UserStore<IdentityUser<string>>
     {
+        /// <summary>
+        /// Constructs a new instance of <see cref="UserStore"/>.
+        /// </summary>
+        /// <param name="context">The <see cref="DbContext"/>.</param>
+        /// <param name="describer">The <see cref="IdentityErrorDescriber"/>.</param>
         public UserStore(DbContext context, IdentityErrorDescriber describer = null) : base(context, describer) { }
     }
 
@@ -29,6 +34,11 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
     public class UserStore<TUser> : UserStore<TUser, IdentityRole, DbContext, string>
         where TUser : IdentityUser<string>, new()
     {
+        /// <summary>
+        /// Constructs a new instance of <see cref="UserStore{TUser}"/>.
+        /// </summary>
+        /// <param name="context">The <see cref="DbContext"/>.</param>
+        /// <param name="describer">The <see cref="IdentityErrorDescriber"/>.</param>
         public UserStore(DbContext context, IdentityErrorDescriber describer = null) : base(context, describer) { }
     }
 
@@ -43,8 +53,14 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
         where TRole : IdentityRole<string>
         where TContext : DbContext
     {
+        /// <summary>
+        /// Constructs a new instance of <see cref="UserStore{TUser, TRole, TContext}"/>.
+        /// </summary>
+        /// <param name="context">The <see cref="DbContext"/>.</param>
+        /// <param name="describer">The <see cref="IdentityErrorDescriber"/>.</param>
         public UserStore(TContext context, IdentityErrorDescriber describer = null) : base(context, describer) { }
     }
+
     /// <summary>
     /// Represents a new instance of a persistence store for the specified user and role types.
     /// </summary>
@@ -58,8 +74,19 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
     where TContext : DbContext
     where TKey : IEquatable<TKey>
     {
+        /// <summary>
+        /// Constructs a new instance of <see cref="UserStore{TUser, TRole, TContext, TKey}"/>.
+        /// </summary>
+        /// <param name="context">The <see cref="DbContext"/>.</param>
+        /// <param name="describer">The <see cref="IdentityErrorDescriber"/>.</param>
         public UserStore(TContext context, IdentityErrorDescriber describer = null) : base(context, describer) { }
 
+        /// <summary>
+        /// Called to create a new instance of a <see cref="IdentityUserRole{TKey}"/>.
+        /// </summary>
+        /// <param name="user">The associated user.</param>
+        /// <param name="role">The associated role.</param>
+        /// <returns></returns>
         protected override IdentityUserRole<TKey> CreateUserRole(TUser user, TRole role)
         {
             return new IdentityUserRole<TKey>()
@@ -69,6 +96,12 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
             };
         }
 
+        /// <summary>
+        /// Called to create a new instance of a <see cref="IdentityUserClaim{TKey}"/>.
+        /// </summary>
+        /// <param name="user">The associated user.</param>
+        /// <param name="claim">The associated claim.</param>
+        /// <returns></returns>
         protected override IdentityUserClaim<TKey> CreateUserClaim(TUser user, Claim claim)
         {
             var userClaim = new IdentityUserClaim<TKey> { UserId = user.Id };
@@ -76,6 +109,12 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
             return userClaim;
         }
 
+        /// <summary>
+        /// Called to create a new instance of a <see cref="IdentityUserLogin{TKey}"/>.
+        /// </summary>
+        /// <param name="user">The associated user.</param>
+        /// <param name="login">The sasociated login.</param>
+        /// <returns></returns>
         protected override IdentityUserLogin<TKey> CreateUserLogin(TUser user, UserLoginInfo login)
         {
             return new IdentityUserLogin<TKey>
@@ -87,6 +126,14 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
             };
         }
 
+        /// <summary>
+        /// Called to create a new instance of a <see cref="IdentityUserToken{TKey}"/>.
+        /// </summary>
+        /// <param name="user">The associated user.</param>
+        /// <param name="loginProvider">The associated login provider.</param>
+        /// <param name="name">The name of the user token.</param>
+        /// <param name="value">The value of the user token.</param>
+        /// <returns></returns>
         protected override IdentityUserToken<TKey> CreateUserToken(TUser user, string loginProvider, string name, string value)
         {
             return new IdentityUserToken<TKey>
@@ -603,6 +650,9 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
             return false;
         }
 
+        /// <summary>
+        /// Throws if this class has been disposed.
+        /// </summary>
         protected void ThrowIfDisposed()
         {
             if (_disposed)
@@ -1289,7 +1339,15 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
             return UserTokens.SingleOrDefaultAsync(l => l.UserId.Equals(userId) && l.LoginProvider == loginProvider && l.Name == name, cancellationToken);
         }
 
-        // <inheritdoc>
+        /// <summary>
+        /// Sets the token value for a particular user.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <param name="loginProvider">The authentication provider for the token.</param>
+        /// <param name="name">The name of the token.</param>
+        /// <param name="value">The value of the token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> used to propagate notifications that the operation should be canceled.</param>
+        /// <returns>The <see cref="Task"/> that represents the asynchronous operation.</returns>
         public virtual async Task SetTokenAsync(TUser user, string loginProvider, string name, string value, CancellationToken cancellationToken)
         {
             cancellationToken.ThrowIfCancellationRequested();
@@ -1311,6 +1369,14 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
             }
         }
 
+        /// <summary>
+        /// Deletes a token for a user.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <param name="loginProvider">The authentication provider for the token.</param>
+        /// <param name="name">The name of the token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> used to propagate notifications that the operation should be canceled.</param>
+        /// <returns>The <see cref="Task"/> that represents the asynchronous operation.</returns>
         public async Task RemoveTokenAsync(TUser user, string loginProvider, string name, CancellationToken cancellationToken)
         {
             cancellationToken.ThrowIfCancellationRequested();
@@ -1328,6 +1394,14 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
             }
         }
 
+        /// <summary>
+        /// Returns the token value.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <param name="loginProvider">The authentication provider for the token.</param>
+        /// <param name="name">The name of the token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> used to propagate notifications that the operation should be canceled.</param>
+        /// <returns>The <see cref="Task"/> that represents the asynchronous operation.</returns>
         public async Task<string> GetTokenAsync(TUser user, string loginProvider, string name, CancellationToken cancellationToken)
         {
             cancellationToken.ThrowIfCancellationRequested();
diff --git a/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/project.json b/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/project.json
index 4e7e32ac8b..966caf36f3 100644
--- a/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/project.json
+++ b/src/Microsoft.AspNetCore.Identity.EntityFrameworkCore/project.json
@@ -4,9 +4,6 @@
   "buildOptions": {
     "warningsAsErrors": true,
     "keyFile": "../../tools/Key.snk",
-    "nowarn": [
-      "CS1591"
-    ],
     "xmlDoc": true
   },
   "packOptions": {
diff --git a/src/Microsoft.AspNetCore.Identity/ExternalLoginInfo.cs b/src/Microsoft.AspNetCore.Identity/ExternalLoginInfo.cs
index 682e97f367..e7305324f9 100644
--- a/src/Microsoft.AspNetCore.Identity/ExternalLoginInfo.cs
+++ b/src/Microsoft.AspNetCore.Identity/ExternalLoginInfo.cs
@@ -31,6 +31,9 @@ namespace Microsoft.AspNetCore.Identity
         /// <value>The <see cref="ClaimsPrincipal"/> associated with this login.</value>
         public ClaimsPrincipal Principal { get; set; }
 
+        /// <summary>
+        /// The <see cref="AuthenticationToken"/>s associated with this login.
+        /// </summary>
         public IEnumerable<AuthenticationToken> AuthenticationTokens { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.Identity/IUserAuthenticationTokenStore.cs b/src/Microsoft.AspNetCore.Identity/IUserAuthenticationTokenStore.cs
index 28ddee9dcc..9023bf6037 100644
--- a/src/Microsoft.AspNetCore.Identity/IUserAuthenticationTokenStore.cs
+++ b/src/Microsoft.AspNetCore.Identity/IUserAuthenticationTokenStore.cs
@@ -30,6 +30,7 @@ namespace Microsoft.AspNetCore.Identity
         /// <param name="loginProvider">The authentication provider for the token.</param>
         /// <param name="name">The name of the token.</param>
         /// <param name="cancellationToken">The <see cref="CancellationToken"/> used to propagate notifications that the operation should be canceled.</param>
+        /// <returns>The <see cref="Task"/> that represents the asynchronous operation.</returns>
         Task RemoveTokenAsync(TUser user, string loginProvider, string name, CancellationToken cancellationToken);
 
         /// <summary>
diff --git a/src/Microsoft.AspNetCore.Identity/IdentityCookieOptions.cs b/src/Microsoft.AspNetCore.Identity/IdentityCookieOptions.cs
index fc78fcf301..4d694c7009 100644
--- a/src/Microsoft.AspNetCore.Identity/IdentityCookieOptions.cs
+++ b/src/Microsoft.AspNetCore.Identity/IdentityCookieOptions.cs
@@ -19,6 +19,9 @@ namespace Microsoft.AspNetCore.Identity
         private static readonly string DefaultTwoFactorRememberMeScheme = CookiePrefix + ".TwoFactorRememberMe";
         private static readonly string DefaultTwoFactorUserIdScheme = CookiePrefix + ".TwoFactorUserId";
 
+        /// <summary>
+        /// Constructs a new instance of <see cref="IdentityCookieOptions"/>.
+        /// </summary>
         public IdentityCookieOptions()
         {
             // Configure all of the cookie middlewares
@@ -58,9 +61,24 @@ namespace Microsoft.AspNetCore.Identity
             };
         }
 
+        /// <summary>
+        /// The options for the application cookie.
+        /// </summary>
         public CookieAuthenticationOptions ApplicationCookie { get; set; }
+
+        /// <summary>
+        /// The options for the external cookie.
+        /// </summary>
         public CookieAuthenticationOptions ExternalCookie { get; set; }
+
+        /// <summary>
+        /// The options for the two factor remember me cookie.
+        /// </summary>
         public CookieAuthenticationOptions TwoFactorRememberMeCookie { get; set; }
+
+        /// <summary>
+        /// The options for the two factor user id cookie.
+        /// </summary>
         public CookieAuthenticationOptions TwoFactorUserIdCookie { get; set; }
 
         /// <summary>
diff --git a/src/Microsoft.AspNetCore.Identity/RoleManager.cs b/src/Microsoft.AspNetCore.Identity/RoleManager.cs
index 70080106ca..38be51f521 100644
--- a/src/Microsoft.AspNetCore.Identity/RoleManager.cs
+++ b/src/Microsoft.AspNetCore.Identity/RoleManager.cs
@@ -455,7 +455,10 @@ namespace Microsoft.AspNetCore.Identity
             }
             return cast;
         }
-            
+
+        /// <summary>
+        /// Throws if this class has been disposed.
+        /// </summary>
         protected void ThrowIfDisposed()
         {
             if (_disposed)
diff --git a/src/Microsoft.AspNetCore.Identity/SecurityStampValidator.cs b/src/Microsoft.AspNetCore.Identity/SecurityStampValidator.cs
index 314bc64de3..490a1b68cf 100644
--- a/src/Microsoft.AspNetCore.Identity/SecurityStampValidator.cs
+++ b/src/Microsoft.AspNetCore.Identity/SecurityStampValidator.cs
@@ -19,6 +19,11 @@ namespace Microsoft.AspNetCore.Identity
         private readonly SignInManager<TUser> _signInManager;
         private readonly IdentityOptions _options;
 
+        /// <summary>
+        /// Creates a new instance of <see cref="SecurityStampValidator{TUser}"/>.
+        /// </summary>
+        /// <param name="options">Used to access the <see cref="IdentityOptions"/>.</param>
+        /// <param name="signInManager">The <see cref="SignInManager{TUser}"/>.</param>
         public SecurityStampValidator(IOptions<IdentityOptions> options, SignInManager<TUser> signInManager)
         {
             if (options == null)
diff --git a/src/Microsoft.AspNetCore.Identity/SignInManager.cs b/src/Microsoft.AspNetCore.Identity/SignInManager.cs
index 37b129adbf..ed7a802947 100644
--- a/src/Microsoft.AspNetCore.Identity/SignInManager.cs
+++ b/src/Microsoft.AspNetCore.Identity/SignInManager.cs
@@ -69,7 +69,12 @@ namespace Microsoft.AspNetCore.Identity
         /// The <see cref="ILogger"/> used to log messages from the manager.
         /// </value>
         protected internal virtual ILogger Logger { get; set; }
+
+        /// <summary>
+        /// The <see cref="UserManager{TUser}"/> used.
+        /// </summary>
         protected internal UserManager<TUser> UserManager { get; set; }
+
         internal IUserClaimsPrincipalFactory<TUser> ClaimsFactory { get; set; }
         internal IdentityOptions Options { get; set; }
 
diff --git a/src/Microsoft.AspNetCore.Identity/TokenOptions.cs b/src/Microsoft.AspNetCore.Identity/TokenOptions.cs
index 74c10d1e4d..8707826f87 100644
--- a/src/Microsoft.AspNetCore.Identity/TokenOptions.cs
+++ b/src/Microsoft.AspNetCore.Identity/TokenOptions.cs
@@ -6,10 +6,24 @@ using System.Collections.Generic;
 
 namespace Microsoft.AspNetCore.Identity
 {
+    /// <summary>
+    /// Options for user tokens.
+    /// </summary>
     public class TokenOptions
     {
+        /// <summary>
+        /// Default token provider name used by email confirmation, password reset, and change email.
+        /// </summary>
         public static readonly string DefaultProvider = "Default";
+
+        /// <summary>
+        /// Default token provider name used by the <see cref="EmailTokenProvider{TUser}"/>.
+        /// </summary>
         public static readonly string DefaultEmailProvider = "Email";
+
+        /// <summary>
+        /// Default token provider name used by the <see cref="PhoneNumberTokenProvider{TUser}"/>.
+        /// </summary>
         public static readonly string DefaultPhoneProvider = "Phone";
 
         /// <summary>
diff --git a/src/Microsoft.AspNetCore.Identity/TokenProviderDescriptor.cs b/src/Microsoft.AspNetCore.Identity/TokenProviderDescriptor.cs
index 4f9df4ab08..993ecfbed2 100644
--- a/src/Microsoft.AspNetCore.Identity/TokenProviderDescriptor.cs
+++ b/src/Microsoft.AspNetCore.Identity/TokenProviderDescriptor.cs
@@ -5,13 +5,23 @@ using System;
 
 namespace Microsoft.AspNetCore.Identity
 {
+    /// <summary>
+    /// Used to represents a token provider in <see cref="TokenOptions"/>'s TokenMap.
+    /// </summary>
     public class TokenProviderDescriptor
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="TokenProviderDescriptor"/> class.
+        /// </summary>
+        /// <param name="type">The concrete type for this token provider.</param>
         public TokenProviderDescriptor(Type type)
         {
             ProviderType = type;
         }
 
+        /// <summary>
+        /// The type that will be used for this token provider.
+        /// </summary>
         public Type ProviderType { get; }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.Identity/UserManager.cs b/src/Microsoft.AspNetCore.Identity/UserManager.cs
index 1e201d09b6..103e794a57 100644
--- a/src/Microsoft.AspNetCore.Identity/UserManager.cs
+++ b/src/Microsoft.AspNetCore.Identity/UserManager.cs
@@ -23,7 +23,14 @@ namespace Microsoft.AspNetCore.Identity
     /// <typeparam name="TUser">The type encapsulating a user.</typeparam>
     public class UserManager<TUser> : IDisposable where TUser : class
     {
+        /// <summary>
+        /// The data protection purpose used for the reset password related methods.
+        /// </summary>
         protected const string ResetPasswordTokenPurpose = "ResetPassword";
+
+        /// <summary>
+        /// The data protection purpose used for the email confirmation related methods.
+        /// </summary>
         protected const string ConfirmEmailTokenPurpose = "EmailConfirmation";
 
         private readonly Dictionary<string, IUserTwoFactorTokenProvider<TUser>> _tokenProviders =
@@ -344,6 +351,13 @@ namespace Microsoft.AspNetCore.Identity
             return principal.FindFirstValue(Options.ClaimsIdentity.UserIdClaimType);
         }
 
+        /// <summary>
+        /// Returns the user corresponding to the IdentityOptions.ClaimsIdentity.UserIdClaimType claim in
+        /// the principal or null.
+        /// </summary>
+        /// <param name="principal">The principal which contains the user id claim.</param>
+        /// <returns>The user corresponding to the IdentityOptions.ClaimsIdentity.UserIdClaimType claim in
+        /// the principal or null</returns>
         public virtual Task<TUser> GetUserAsync(ClaimsPrincipal principal)
         {
             if (principal == null)
@@ -2265,6 +2279,9 @@ namespace Microsoft.AspNetCore.Identity
             return cast;
         }
 
+        /// <summary>
+        /// Throws if this class has been disposed.
+        /// </summary>
         protected void ThrowIfDisposed()
         {
             if (_disposed)
diff --git a/src/Microsoft.AspNetCore.Identity/project.json b/src/Microsoft.AspNetCore.Identity/project.json
index 0b09fb0766..a354a9cc86 100644
--- a/src/Microsoft.AspNetCore.Identity/project.json
+++ b/src/Microsoft.AspNetCore.Identity/project.json
@@ -4,9 +4,6 @@
   "buildOptions": {
     "warningsAsErrors": true,
     "keyFile": "../../tools/Key.snk",
-    "nowarn": [
-      "CS1591"
-    ],
     "xmlDoc": true
   },
   "packOptions": {