Clarify ExternalLoginInfo displayName doc comment (#7833)

Author: HaoK

src/Identity/Core/src/ExternalLoginInfo.cs

@@ -18,7 +18,7 @@ public class ExternalLoginInfo : UserLoginInfo
         /// <param name="principal">The <see cref="ClaimsPrincipal"/> to associate with this login.</param>
         /// <param name="loginProvider">The provider associated with this login information.</param>
         /// <param name="providerKey">The unique identifier for this user provided by the login provider.</param>
-        /// <param name="displayName">The display name for this user provided by the login provider.</param>
+        /// <param name="displayName">The display name for the login provider.</param>
         public ExternalLoginInfo(ClaimsPrincipal principal, string loginProvider, string providerKey, 
             string displayName) : base(loginProvider, providerKey, displayName)
         {
@@ -36,4 +36,4 @@ public ExternalLoginInfo(ClaimsPrincipal principal, string loginProvider, string
         /// </summary>
         public IEnumerable<AuthenticationToken> AuthenticationTokens { get; set; }
     }
-}
+}