diff --git a/google/cloud/scheduler/v1beta1/target.proto b/google/cloud/scheduler/v1beta1/target.proto
index a3fc6426..210002e3 100644
--- a/google/cloud/scheduler/v1beta1/target.proto
+++ b/google/cloud/scheduler/v1beta1/target.proto
@@ -126,7 +126,7 @@ message AppEngineHttpTarget {
   //
   // In addition, some App Engine headers, which contain
   // job-specific information, are also be sent to the job handler; see
-  // [request headers](https://cloud.google.comappengine/docs/standard/python/config/cron#securing_urls_for_cron).
+  // [request headers](https://cloud.google.com/appengine/docs/standard/python/config/cron#securing_urls_for_cron).
   map<string, string> headers = 4;
 
   // Body.