diff --git a/lib/bot.js b/lib/bot.js
index 5a3ea8c..559f6cd 100644
--- a/lib/bot.js
+++ b/lib/bot.js
@@ -116,7 +116,7 @@ async function handlePullRequestReviewSubmitted(context) {
   const pullRequest = await findPullRequestByShallowRef(context, pull_request);
 
   if (!pullRequest) {
-    context.log.warn(ctx, 'skipping: no PR found by shallow ref');
+    context.log.warn(ctx, 'skipping: no PR found for shallow ref');
     return;
   }