fix: add reference emoji

eottabom · eottabom · commit fc7b6a5d2ed1 · 2025-06-30T16:08:36.000+09:00
diff --git a/posts/grpc/why-using-grpc.mdx b/posts/grpc/why-using-grpc.mdx
@@ -482,7 +482,7 @@ public final class PersonClient {
 
 ---
 
-### Reference
+### 📚 Reference
 
 * [1. gRPC 개요](https://cla9.tistory.com/175)
 * [The basics of gRPC](https://medium.com/@josemiguelmelo/the-basics-of-grpc-b017bbedb303)
