diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # gnuboard5-activitypub
-ActivityPub implementation for GNUBOARD 5
+ActivityPub implementation for GNUBOARD 5 https://sir.kr/g5_plugin/10381
 
 ## 사용 전 설정
   * `apstreams` 게시판 추가