diff --git a/src/bmm-skills/4-implementation/bmad-quick-dev/SKILL.md b/src/bmm-skills/4-implementation/bmad-quick-dev/SKILL.md
index 7047a70cb..1de96b16b 100644
--- a/src/bmm-skills/4-implementation/bmad-quick-dev/SKILL.md
+++ b/src/bmm-skills/4-implementation/bmad-quick-dev/SKILL.md
@@ -3,10 +3,12 @@ name: bmad-quick-dev
 description: 'Implements any user intent, requirement, story, bug fix or change request by producing clean working code artifacts that follow the project''s existing architecture, patterns and conventions. Use when the user wants to build, fix, tweak, refactor, add or modify any code, component or feature.'
 ---
 
-`{skill-root}` is this skill's installed directory.
+Run this, substituting `{skill-root}` with the absolute path to this skill's base directory, without changing the cwd:
 
-```
-python {skill-root}/render.py
+```bash
+python3 {skill-root}/render.py
 ```
 
-Then follow the instruction it prints to stdout.
+- **On success:** follow the instruction it prints to stdout; ignore stderr.
+- **If `python3` is missing or lacks `tomllib`:** recover and retry.
+- **Any other failure:** report what it printed and HALT.