diff --git a/recipes/docs_builder.py b/recipes/docs_builder.py
index d77109f..91ed8e8 100644
--- a/recipes/docs_builder.py
+++ b/recipes/docs_builder.py
@@ -147,12 +147,13 @@
     if props.comment and api.buildbucket_util.is_tryjob:
         for change in applied_changes:
             api.gerrit.set_review(
-                "post CL comment",
+                'post CL comment',
                 change.number,
                 host=change.gerrit_host,
                 message=f'Docs available at: {joined_links}',
-                notify="NONE",
+                notify='NONE',
                 ignore_automatic_attention_set_rules=True,
+                tag='autogenerated:pigweed:docs',
             )
 
     return result.RawResult(