diff --git a/src/Azure/AzureAD/Authentication.AzureAD.UI/src/AzureADOptions.cs b/src/Azure/AzureAD/Authentication.AzureAD.UI/src/AzureADOptions.cs
index 89a8a84beb..462dc5a8a4 100644
--- a/src/Azure/AzureAD/Authentication.AzureAD.UI/src/AzureADOptions.cs
+++ b/src/Azure/AzureAD/Authentication.AzureAD.UI/src/AzureADOptions.cs
@@ -50,7 +50,7 @@ namespace Microsoft.AspNetCore.Authentication.AzureAD.UI
         public string Instance { get; set; }
 
         /// <summary>
-        /// Gets or sets the domain of the Azure Active Directory tennant.
+        /// Gets or sets the domain of the Azure Active Directory tenant.
         /// </summary>
         public string Domain { get; set; }
 
diff --git a/src/Azure/AzureAD/Authentication.AzureADB2C.UI/src/AzureAdB2COptions.cs b/src/Azure/AzureAD/Authentication.AzureADB2C.UI/src/AzureAdB2COptions.cs
index 64b5ed0fd2..6743d3b5fa 100644
--- a/src/Azure/AzureAD/Authentication.AzureADB2C.UI/src/AzureAdB2COptions.cs
+++ b/src/Azure/AzureAD/Authentication.AzureADB2C.UI/src/AzureAdB2COptions.cs
@@ -46,7 +46,7 @@ namespace Microsoft.AspNetCore.Authentication.AzureADB2C.UI
         public string Instance { get; set; }
 
         /// <summary>
-        /// Gets or sets the domain of the Azure Active Directory B2C tennant.
+        /// Gets or sets the domain of the Azure Active Directory B2C tenant.
         /// </summary>
         public string Domain { get; set; }