diff --git a/master/custom/pr_testing.py b/master/custom/pr_testing.py
index 34927c2b7..ddb9b3b12 100644
--- a/master/custom/pr_testing.py
+++ b/master/custom/pr_testing.py
@@ -18,7 +18,7 @@
 BUILD_SCHEDULED_MESSAGE = f"""\
 :robot: New build scheduled with the buildbot fleet by @{{user}} for commit {{commit}} :robot:
 
-If you want to schedule another build, you need to add the `{{label}}` label again.
+If you want to schedule another build, you need to add the <kbd>{{label}}</kbd> label again.
 """
 
 BUILD_COMMAND_SCHEDULED_MESSAGE = f"""\