Require link to implementation
@@ -89,7 +89,8 @@ follows:
- Once your proposal has been accepted and merged, it is time to submit the
actual change to the Specification that your proposal reasoned about. This is
known as a spec PR. However in order for your spec PR to be accepted, you
- **must** show an implementation to prove that it works well in practice. In
+ **must** show an implementation to prove that it works well in practice. A
+ link to the implementation should be included in the PR description. In
addition, any significant unforeseen changes to the original idea found
during this process will warrant another MSC.
