diff --git a/docs/en/Best-Practices/Entity-Framework-Core-Integration.md b/docs/en/Best-Practices/Entity-Framework-Core-Integration.md
index 67185d27f5..90d62698de 100644
--- a/docs/en/Best-Practices/Entity-Framework-Core-Integration.md
+++ b/docs/en/Best-Practices/Entity-Framework-Core-Integration.md
@@ -75,6 +75,7 @@ protected override void OnModelCreating(ModelBuilder builder)
 ````C#
 public static class IdentityDbContextModelBuilderExtensions
 {
+    public static void ConfigureIdentity([NotNull] this ModelBuilder builder)
     {
         Check.NotNull(builder, nameof(builder));