docs: clarify shared install path for OpenCode compatibility

README.md

@@ -36,7 +36,7 @@ mkdir -p ~/.config/opencode/skills/humanizer
 cp SKILL.md ~/.config/opencode/skills/humanizer/
 ```
 
-> **Note:** OpenCode also scans `~/.claude/skills/` for compatibility, so a single clone into `~/.claude/skills/humanizer/` works for both tools.
+> **Note:** OpenCode also scans `~/.claude/skills/` for compatibility, so if you use both tools, a single clone into `~/.claude/skills/humanizer/` is enough.
 
 ## Usage