diff --git a/README.md b/README.md
index 8e681ad7..f04fd32d 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,8 @@ mkdir -p ~/.claude/skills/humanizer
 cp SKILL.md ~/.claude/skills/humanizer/
 ```
 
+> **Important:** If Claude Code was open during installation, close it completely and reopen it before using `/humanizer`. Otherwise, the skill may not appear right away.
+
 ### OpenCode
 
 Clone directly into OpenCode's skills directory: