diff --git a/home/dot_claude/CLAUDE.md.tmpl b/home/dot_claude/CLAUDE.md.tmpl
index d103a2f..1fea297 100644
--- a/home/dot_claude/CLAUDE.md.tmpl
+++ b/home/dot_claude/CLAUDE.md.tmpl
@@ -113,6 +113,7 @@ When a project uses `assert2`:
 ### Safety & Best Practices
 
 - **Do NOT add co-authoring or attribution to Claude Code/AI**
+- **Do NOT use `git -C <path>` to specify working directory** - You're already in the correct directory
 - **Be very careful with commit history**:
   - Avoid rewriting history unless explicitly prompted by user
   - **Check if commits actually went through** when hooks fail