Update Form-Validation.md

docs/en/UI/Angular/Form-Validation.md

@@ -13,9 +13,11 @@ import { provideAbpThemeShared, withValidationBluePrint } from '@abp/ng.theme.sh
 
 @NgModule({
   providers: [
-    provideAbpThemeShared(withValidationBluePrint({
+    provideAbpThemeShared(
-      uniqueUsername: "::AlreadyExists[{%{{{ username }}}%}]"
+      withValidationBluePrint({
-    })),
+        uniqueUsername: "::AlreadyExists[{%{{{ username }}}%}]"
+      })
+    ),
     ...
   ],
 })