diff --git a/src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Internal/DiagnosticsEntityFrameworkCoreLoggerExtensions.cs b/src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Internal/DiagnosticsEntityFrameworkCoreLoggerExtensions.cs
index e7749f488a..2381c31c09 100644
--- a/src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Internal/DiagnosticsEntityFrameworkCoreLoggerExtensions.cs
+++ b/src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Internal/DiagnosticsEntityFrameworkCoreLoggerExtensions.cs
@@ -12,7 +12,7 @@ namespace Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore.Internal
         private static readonly Action<ILogger, Exception> _noContextType = LoggerMessage.Define(
             LogLevel.Error,
             new EventId(1, "NoContextType"),
-            "No context type was specified. Ensure the form data from the request includes a contextTypeName value, specifying the context to apply migrations for.");
+            "No context type was specified. Ensure the form data from the request includes a context value, specifying the context type name to apply migrations for.");
 
         private static readonly Action<ILogger, string, Exception> _invalidContextType = LoggerMessage.Define<string>(
             LogLevel.Error,
diff --git a/src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Properties/Strings.Designer.cs b/src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Properties/Strings.Designer.cs
index 3266d2f144..4540a949c7 100644
--- a/src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Properties/Strings.Designer.cs
+++ b/src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Properties/Strings.Designer.cs
@@ -277,7 +277,7 @@ namespace Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore
             => string.Format(CultureInfo.CurrentCulture, GetString("MigrationsEndPointMiddleware_InvalidContextType"), p0);
 
         /// <summary>
-        /// No context type was specified. Ensure the form data from the request includes a contextTypeName value, specifying the context to apply migrations for.
+        /// No context type was specified. Ensure the form data from the request includes a context value, specifying the context type name to apply migrations for.
         /// </summary>
         internal static string MigrationsEndPointMiddleware_NoContextType
         {
diff --git a/src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Strings.resx b/src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Strings.resx
index 3f987c8716..26314d1062 100644
--- a/src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Strings.resx
+++ b/src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Strings.resx
@@ -175,7 +175,7 @@
     <value>The context type '{0}' could not be loaded. Ensure this is the correct type name for the context you are trying to apply migrations for.</value>
   </data>
   <data name="MigrationsEndPointMiddleware_NoContextType" xml:space="preserve">
-    <value>No context type was specified. Ensure the form data from the request includes a contextTypeName value, specifying the context to apply migrations for.</value>
+    <value>No context type was specified. Ensure the form data from the request includes a context value, specifying the context type name to apply migrations for.</value>
   </data>
   <data name="DatabaseErrorPage_Title" xml:space="preserve">
     <value>A database operation failed while processing the request.</value>