diff --git a/google/devtools/cloudbuild/v1/cloudbuild.proto b/google/devtools/cloudbuild/v1/cloudbuild.proto
index 40692c3e..1f06623f 100644
--- a/google/devtools/cloudbuild/v1/cloudbuild.proto
+++ b/google/devtools/cloudbuild/v1/cloudbuild.proto
@@ -219,7 +219,7 @@ service CloudBuild {
   // This API is experimental.
   rpc UpdateWorkerPool(UpdateWorkerPoolRequest) returns (WorkerPool) {}
 
-  // List project's `WorkerPool`s.
+  // List project's `WorkerPools`.
   //
   // This API is experimental.
   rpc ListWorkerPools(ListWorkerPoolsRequest)
@@ -1328,7 +1328,7 @@ message UpdateWorkerPoolRequest {
   WorkerPool worker_pool = 3;
 }
 
-// Request to list `WorkerPool`s.
+// Request to list `WorkerPools`.
 message ListWorkerPoolsRequest {
   // ID of the parent project.
   string parent = 1;