diff --git a/.gitignore b/.gitignore
index 661747bf1..d4f03a0df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,7 @@
 /.nyc_output
 /docs/
 /out/
-**/build/
+/build/
 system-test/secrets.js
 system-test/*key.json
 *.lock
diff --git a/package.json b/package.json
index c5d3dcc27..88da238cb 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "prelint": "cd samples; npm link ../; npm install",
     "precompile": "gts clean",
     "typeless": "npx typeless-sample-bot --outputpath samples --targets samples --recursive",
-    "posttypeless": "cd samples; npm i; cd ..; npm run fix"
+    "posttypeless": "cd samples && npm i && cd .. && npm run fix"
   },
   "dependencies": {
     "@google-cloud/paginator": "^5.0.0",
diff --git a/protos/google/pubsub/v1/pubsub.proto b/protos/google/pubsub/v1/pubsub.proto
index b5092087a..cd765d1c3 100644
--- a/protos/google/pubsub/v1/pubsub.proto
+++ b/protos/google/pubsub/v1/pubsub.proto
@@ -837,7 +837,7 @@ message Subscription {
   // backlog, from the moment a message is published. If `retain_acked_messages`
   // is true, then this also configures the retention of acknowledged messages,
   // and thus configures how far back in time a `Seek` can be done. Defaults to
-  // 7 days. Cannot be more than 7 days or less than 10 minutes.
+  // 7 days. Cannot be more than 31 days or less than 10 minutes.
   google.protobuf.Duration message_retention_duration = 8
       [(google.api.field_behavior) = OPTIONAL];
 
diff --git a/src/v1/subscriber_client.ts b/src/v1/subscriber_client.ts
index 617d05f67..0930d8f34 100644
--- a/src/v1/subscriber_client.ts
+++ b/src/v1/subscriber_client.ts
@@ -514,7 +514,7 @@ export class SubscriberClient {
    *   backlog, from the moment a message is published. If `retain_acked_messages`
    *   is true, then this also configures the retention of acknowledged messages,
    *   and thus configures how far back in time a `Seek` can be done. Defaults to
-   *   7 days. Cannot be more than 7 days or less than 10 minutes.
+   *   7 days. Cannot be more than 31 days or less than 10 minutes.
    * @param {number[]} [request.labels]
    *   Optional. See [Creating and managing
    *   labels](https://cloud.google.com/pubsub/docs/labels).