diff --git a/google-cloud-clients/google-cloud-iot/src/main/java/com/google/cloud/iot/v1/DeviceManagerSettings.java b/google-cloud-clients/google-cloud-iot/src/main/java/com/google/cloud/iot/v1/DeviceManagerSettings.java
index 0299081d4c26..c336b4188a5b 100644
--- a/google-cloud-clients/google-cloud-iot/src/main/java/com/google/cloud/iot/v1/DeviceManagerSettings.java
+++ b/google-cloud-clients/google-cloud-iot/src/main/java/com/google/cloud/iot/v1/DeviceManagerSettings.java
@@ -53,8 +53,9 @@
  * </ul>
  *
  * <p>The builder of this class is recursive, so contained classes are themselves builders. When
- * build() is called, the tree of builders is called to create the complete settings object. For
- * example, to set the total timeout of createDeviceRegistry to 30 seconds:
+ * build() is called, the tree of builders is called to create the complete settings object.
+ *
+ * <p>For example, to set the total timeout of createDeviceRegistry to 30 seconds:
  *
  * <pre>
  * <code>
diff --git a/google-cloud-clients/google-cloud-iot/src/main/java/com/google/cloud/iot/v1/package-info.java b/google-cloud-clients/google-cloud-iot/src/main/java/com/google/cloud/iot/v1/package-info.java
index 16326463e63c..8f83c3e4484a 100644
--- a/google-cloud-clients/google-cloud-iot/src/main/java/com/google/cloud/iot/v1/package-info.java
+++ b/google-cloud-clients/google-cloud-iot/src/main/java/com/google/cloud/iot/v1/package-info.java
@@ -36,4 +36,7 @@
  * </code>
  * </pre>
  */
+@Generated("by gapic-generator")
 package com.google.cloud.iot.v1;
+
+import javax.annotation.Generated;
diff --git a/google-cloud-clients/google-cloud-iot/src/main/java/com/google/cloud/iot/v1/stub/DeviceManagerStubSettings.java b/google-cloud-clients/google-cloud-iot/src/main/java/com/google/cloud/iot/v1/stub/DeviceManagerStubSettings.java
index 6332aa2ba4d5..f153a835c510 100644
--- a/google-cloud-clients/google-cloud-iot/src/main/java/com/google/cloud/iot/v1/stub/DeviceManagerStubSettings.java
+++ b/google-cloud-clients/google-cloud-iot/src/main/java/com/google/cloud/iot/v1/stub/DeviceManagerStubSettings.java
@@ -94,8 +94,9 @@
  * </ul>
  *
  * <p>The builder of this class is recursive, so contained classes are themselves builders. When
- * build() is called, the tree of builders is called to create the complete settings object. For
- * example, to set the total timeout of createDeviceRegistry to 30 seconds:
+ * build() is called, the tree of builders is called to create the complete settings object.
+ *
+ * <p>For example, to set the total timeout of createDeviceRegistry to 30 seconds:
  *
  * <pre>
  * <code>
diff --git a/google-cloud-clients/google-cloud-iot/synth.metadata b/google-cloud-clients/google-cloud-iot/synth.metadata
index a6502ff10bdf..bb7f162afdcb 100644
--- a/google-cloud-clients/google-cloud-iot/synth.metadata
+++ b/google-cloud-clients/google-cloud-iot/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-05-07T07:47:17.797331Z",
+  "updateTime": "2019-07-24T07:45:58.618874Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.19.0",
-        "dockerImage": "googleapis/artman@sha256:d3df563538225ac6caac45d8ad86499500211d1bcb2536955a6dbda15e1b368e"
+        "version": "0.31.0",
+        "dockerImage": "googleapis/artman@sha256:9aed6bbde54e26d2fcde7aa86d9f64c0278f741e58808c46573e488cbf6098f0"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "5aeb4179d0c424be6b1b228bce7ec75ec24f3d12",
-        "internalRef": "246901187"
+        "sha": "3035bd51e268fcd8d6721ad2e5d081c6ee36c5c3",
+        "internalRef": "259653050"
       }
     }
   ],