diff --git a/packages/emmet/empty.ts b/packages/emmet/empty.ts
index abbcaa3b..96131a28 100644
--- a/packages/emmet/empty.ts
+++ b/packages/emmet/empty.ts
@@ -1,6 +1,6 @@
 import type { LanguageServicePlugin } from '@volar/language-service';
 
-console.warn('volar-service-emmet: this module is not yet supported for web.');
+console.warn('[volar-service-emmet] this module is not yet supported for web.');
 
 export function create(): LanguageServicePlugin {
 	return {
diff --git a/packages/pug/empty.ts b/packages/pug/empty.ts
index 3b74bedf..5cf35ccf 100644
--- a/packages/pug/empty.ts
+++ b/packages/pug/empty.ts
@@ -1,6 +1,6 @@
 import type { LanguageServicePlugin } from '@volar/language-service';
 
-console.warn('volar-service-pug: this module is not yet supported for web.');
+console.warn('[volar-service-pug] this module is not yet supported for web.');
 
 export function create(): LanguageServicePlugin {
 	return {