diff --git a/instructions/nextjs.instructions.md b/instructions/nextjs.instructions.md
index 16bf8c95..300dd58d 100644
--- a/instructions/nextjs.instructions.md
+++ b/instructions/nextjs.instructions.md
@@ -1,6 +1,6 @@
 ---
 description: "Best practices for building Next.js (App Router) apps with modern caching, tooling, and server/client boundaries (aligned with Next.js 16.1.1)."
-applyTo: "**"
+applyTo: '**/*.tsx, **/*.ts, **/*.jsx, **/*.js, **/*.css'
 ---
 
 # Next.js Best Practices for LLMs (2026)