diff --git a/REFDB_FORMAT.txt b/REFDB_FORMAT.txt
index b105e53..d030470 100644
--- a/REFDB_FORMAT.txt
+++ b/REFDB_FORMAT.txt
@@ -396,23 +396,21 @@ commit: c559bfe
 check_status: git status
 add_all: git add -A
 commit_format: |
-  git commit -m "$(cat <<'EOF'
-  Brief summary (50 chars max)
-  
+  git commit -m "Brief summary (50 chars max)
+
   Changes:
   - Change 1
   - Change 2
-  
+
   Tested:
   ✓ Test 1
-  ✓ Test 2
-  
-  🤖 Generated with Claude Code
-  https://claude.com/claude-code
-  
-  Co-Authored-By: Claude <noreply@anthropic.com>
-  EOF
-  )"
+  ✓ Test 2"
+
+IMPORTANT: NEVER add Claude/AI signatures to commits
+  - NO "Generated with Claude Code"
+  - NO "Co-Authored-By: Claude"
+  - NO AI attribution of any kind
+  - Keep commits clean and professional
 
 push: git push origin main