diff --git a/library_generation/test/integration_tests.py b/library_generation/test/integration_tests.py
index d5d6b69976..3b1eddb2cb 100755
--- a/library_generation/test/integration_tests.py
+++ b/library_generation/test/integration_tests.py
@@ -42,8 +42,8 @@
 repo_prefix = "https://github.com/googleapis"
 # this map tells which branch of each repo should we use for our diff tests
 committish_map = {
-    "google-cloud-java": "chore/test-hermetic-build",  # google-cloud-java
-    "java-bigtable": "chore/test-hermetic-build",  # java-bigtable
+    "google-cloud-java": "chore/test-hermetic-build",
+    "java-bigtable": "chore/test-hermetic-build",
 }