diff --git a/packages/google-cloud-node/src/v1/doc/google/protobuf/doc_any.js b/packages/google-cloud-node/src/v1/doc/google/protobuf/doc_any.js
index f3278b34e660..9ff5d0078072 100644
--- a/packages/google-cloud-node/src/v1/doc/google/protobuf/doc_any.js
+++ b/packages/google-cloud-node/src/v1/doc/google/protobuf/doc_any.js
@@ -98,7 +98,8 @@
  *
  * @property {string} typeUrl
  *   A URL/resource name that uniquely identifies the type of the serialized
- *   protocol buffer message. The last segment of the URL's path must represent
+ *   protocol buffer message. This string must contain at least
+ *   one "/" character. The last segment of the URL's path must represent
  *   the fully qualified name of the type (as in
  *   `path/google.protobuf.Duration`). The name should be in a canonical form
  *   (e.g., leading "." is not accepted).
diff --git a/packages/google-cloud-node/src/v1p1beta1/doc/google/protobuf/doc_any.js b/packages/google-cloud-node/src/v1p1beta1/doc/google/protobuf/doc_any.js
index f3278b34e660..9ff5d0078072 100644
--- a/packages/google-cloud-node/src/v1p1beta1/doc/google/protobuf/doc_any.js
+++ b/packages/google-cloud-node/src/v1p1beta1/doc/google/protobuf/doc_any.js
@@ -98,7 +98,8 @@
  *
  * @property {string} typeUrl
  *   A URL/resource name that uniquely identifies the type of the serialized
- *   protocol buffer message. The last segment of the URL's path must represent
+ *   protocol buffer message. This string must contain at least
+ *   one "/" character. The last segment of the URL's path must represent
  *   the fully qualified name of the type (as in
  *   `path/google.protobuf.Duration`). The name should be in a canonical form
  *   (e.g., leading "." is not accepted).
diff --git a/packages/google-cloud-node/synth.metadata b/packages/google-cloud-node/synth.metadata
index 082bd42e856b..2a7a337b2043 100644
--- a/packages/google-cloud-node/synth.metadata
+++ b/packages/google-cloud-node/synth.metadata
@@ -1,26 +1,26 @@
 {
-  "updateTime": "2019-03-14T11:22:00.159165Z",
+  "updateTime": "2019-04-21T11:52:52.973118Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.16.17",
-        "dockerImage": "googleapis/artman@sha256:7231f27272231a884e09edb5953148c85ecd8467780d33c4a35c3e507885715b"
+        "version": "0.16.26",
+        "dockerImage": "googleapis/artman@sha256:314eae2a40f6f7822db77365cf5f45bd513d628ae17773fd0473f460e7c2a665"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "d05a746ba27b89374c7407c88c0d5dabfb0afc7c",
-        "internalRef": "238372434"
+        "sha": "3369c803f56d52662ea3792076deb8545183bdb0",
+        "internalRef": "244282812"
       }
     },
     {
       "template": {
         "name": "node_library",
         "origin": "synthtool.gcp",
-        "version": "2019.2.26"
+        "version": "2019.4.10"
       }
     }
   ],