diff --git a/src/bmm-skills/4-implementation/bmad-quick-dev/step-03-implement.md b/src/bmm-skills/4-implementation/bmad-quick-dev/step-03-implement.md
index d080a45ff..2d827b1f3 100644
--- a/src/bmm-skills/4-implementation/bmad-quick-dev/step-03-implement.md
+++ b/src/bmm-skills/4-implementation/bmad-quick-dev/step-03-implement.md
@@ -28,6 +28,10 @@ Hand `{spec_file}` to a sub-agent/task and let it implement. If no sub-agents ar
 
 **Path formatting rule:** Any markdown links written into `{spec_file}` must use paths relative to `{spec_file}`'s directory so they are clickable in VS Code. Any file paths displayed in terminal/conversation output must use CWD-relative format with `:line` notation (e.g., `src/path/file.ts:42`) for terminal clickability. No leading `/` in either case.
 
+### Self-Check
+
+Before leaving this step, verify every task in the `## Tasks & Acceptance` section of `{spec_file}` is complete. Mark each finished task `[x]`. If any task is not done, finish it before proceeding.
+
 ## NEXT
 
 Read fully and follow `./step-04-review.md`