Update index.html

index.html

@@ -146,7 +146,7 @@
         user = prompt('Create Your Username');
         if (user != null && user !== '' && user !== undefined) {
             let upperCaseUser = user.toUpperCase();
-            if (!upperCaseUser.includes(" ")) {
+            if (!upperCaseUser.includes("html")) {
                 localStorage.setItem("userName", upperCaseUser);
                 break;
             } else {