diff --git a/ProblemMap/article/README.md b/ProblemMap/article/README.md
index 36dd9e00..67a8871a 100644
--- a/ProblemMap/article/README.md
+++ b/ProblemMap/article/README.md
@@ -53,9 +53,8 @@ single place to find every Discussion article. each line links out. this page is
 * **Day 15: Creative freeze** *(No.10)*
   Discussion → [https://github.com/onestardao/WFGY/discussions/40](https://github.com/onestardao/WFGY/discussions/40)
 
-
 * **Day 16: Deployment deadlock** *(No.15)*
-  Discussion → \[TBD]
+  Discussion → [https://github.com/onestardao/WFGY/discussions/41](https://github.com/onestardao/WFGY/discussions/41)
 
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