docs: fix broken link in doc string

Google APIs · copybara-github · commit d652c6370bf6 · 2021-03-10T17:51:31.000-08:00
PiperOrigin-RevId: 362183999
diff --git a/google/cloud/dialogflow/v2beta1/participant.proto b/google/cloud/dialogflow/v2beta1/participant.proto
@@ -187,7 +187,7 @@ service Participants {
   // This method should be used by human agent client software to fetch auto
   // generated suggestions in real-time, while the conversation with an end user
   // is in progress. The functionality is implemented in terms of the
-  // [list pagination](/apis/design/design_patterns#list_pagination)
+  // [list pagination](https://cloud.google.com/apis/design/design_patterns#list_pagination)
   // design pattern. The client app should use the `next_page_token` field
   // to fetch the next batch of suggestions. `suggestions` are sorted by
   // `create_time` in descending order.
