diff --git a/google-cloud-scheduler-v1/proto_docs/google/cloud/scheduler/v1/target.rb b/google-cloud-scheduler-v1/proto_docs/google/cloud/scheduler/v1/target.rb
index 0abc738d910f..4a4fcd28f2fe 100644
--- a/google-cloud-scheduler-v1/proto_docs/google/cloud/scheduler/v1/target.rb
+++ b/google-cloud-scheduler-v1/proto_docs/google/cloud/scheduler/v1/target.rb
@@ -57,8 +57,8 @@ module V1
         #     * `X-CloudScheduler`: This header will be set to true.
         #     * `X-CloudScheduler-JobName`: This header will contain the job name.
         #     * `X-CloudScheduler-ScheduleTime`: For Cloud Scheduler jobs specified in
-        #     the unix-cron format, this header will contain the job schedule time in
-        #     RFC3339 UTC "Zulu" format.
+        #     the unix-cron format, this header will contain the job schedule as an
+        #     offset of UTC parsed according to RFC3339.
         #
         #     The total size of headers must be less than 80KB.
         # @!attribute [rw] body
@@ -141,8 +141,8 @@ class HeadersEntry
         #     * `X-CloudScheduler`: This header will be set to true.
         #     * `X-CloudScheduler-JobName`: This header will contain the job name.
         #     * `X-CloudScheduler-ScheduleTime`: For Cloud Scheduler jobs specified in
-        #     the unix-cron format, this header will contain the job schedule time in
-        #     RFC3339 UTC "Zulu" format.
+        #     the unix-cron format, this header will contain the job schedule as an
+        #     offset of UTC parsed according to RFC3339.
         #
         #     If the job has an
         #     {::Google::Cloud::Scheduler::V1::AppEngineHttpTarget#body body}, Cloud Scheduler