update assistant

Author: dsyme

.github/workflows/auto-maintainer-assistant.md

@@ -157,7 +157,7 @@ Always do Task 6 (Update Monthly Activity Summary Issue) in addition to any othe
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    h. Post a **single, brief** comment on the issue pointing to the PR. Do not post additional comments about the same PR.
-3. Update your memory to record the fix attempt and test outcome. **Never create multiple PRs for the same issue.**
+3. Update your memory to record the fix attempt and test outcome. **Never create multiple open PRs for the same issue.**
 
 ### Task 3: Study the Codebase and Propose Improvements