--- a/taskcluster/docker/recipes/run-task
+++ b/taskcluster/docker/recipes/run-task
@@ -214,17 +214,18 @@ def vcs_checkout(source_repo, dest, stor
          b'--rev', b'.',
          b'--template', b'{node}'],
         cwd=dest)
 
     assert re.match('^[a-f0-9]{40}$', revision)
 
     repo_name = source_repo.split('/')[-1]
     print_line(b'vcs', b"TinderboxPrint:<a href={source_repo}/rev/{revision} "
-                       b"title='Built from {repo_name} revision {revision}'>{revision}</a>".format(
+                       b"title='Built from {repo_name} revision {revision}'>"
+                       b"{revision}</a>\n".format(
                            revision=revision,
                            source_repo=source_repo,
                            repo_name=repo_name,
                        ))
 
     return revision