diff --git a/codex/SKILL.md b/codex/SKILL.md
index b71d1ed40..0cf48e0fc 100644
--- a/codex/SKILL.md
+++ b/codex/SKILL.md
@@ -792,7 +792,7 @@ assumptions, catches things you might miss. Present its output faithfully, not s
 
 ---
 
-## Step 0: Check codex binary
+## Step 0.4: Check codex binary
 
 ```bash
 CODEX_BIN=$(which codex 2>/dev/null || echo "")
diff --git a/codex/SKILL.md.tmpl b/codex/SKILL.md.tmpl
index 90dd1119c..ed118a119 100644
--- a/codex/SKILL.md.tmpl
+++ b/codex/SKILL.md.tmpl
@@ -39,7 +39,7 @@ assumptions, catches things you might miss. Present its output faithfully, not s
 
 ---
 
-## Step 0: Check codex binary
+## Step 0.4: Check codex binary
 
 ```bash
 CODEX_BIN=$(which codex 2>/dev/null || echo "")