diff --git a/.github/workflows/pr-agent.yml b/.github/workflows/pr-agent.yml
index 72b1d70..3b7aa39 100644
--- a/.github/workflows/pr-agent.yml
+++ b/.github/workflows/pr-agent.yml
@@ -33,3 +33,4 @@ jobs:
           PR_DESCRIPTION.PUBLISH_LABELS: 'false'
           PR_DESCRIPTION.ADD_ORIGINAL_USER_DESCRIPTION: 'true'
           PR_DESCRIPTION.EXTRA_INSTRUCTIONS: 'Please use Japanese in descriptions.'
+          PR_CODE_SUGGESTIONS.EXTRA_INSTRUCTIONS: "Please use Japanese in descriptions."