diff --git a/skills/markitdown/SKILL.md b/skills/markitdown/SKILL.md
index cd8c44e..e8994ea 100644
--- a/skills/markitdown/SKILL.md
+++ b/skills/markitdown/SKILL.md
@@ -90,12 +90,7 @@ markitdown photo.jpg
 
 **With LLM vision — requires OpenRouter API key:**
 
-Set environment variable:
-```bash
-export OPENROUTER_API_KEY=sk-or-v1-...
-```
-
-Then use the wrapper:
+The wrapper `markitdown-vision` auto-sources the key from `~/.config/environment.d/10-secrets.conf`. Just run:
 ```bash
 markitdown-vision photo.jpg
 ```