diff --git a/README.md b/README.md
index c04dcc03..f47a17a7 100644
--- a/README.md
+++ b/README.md
@@ -71,6 +71,11 @@ npm install @google-cloud/dialogflow-cx
 
 // Imports the Google Cloud Some API library
 const {SessionsClient} = require('@google-cloud/dialogflow-cx');
+/**
+ * Example for regional endpoint:
+ *   const location = 'us-central1'
+ *   const client = new SessionsClient({apiEndpoint: 'us-central1-dialogflow.googleapis.com'})
+ */
 const client = new SessionsClient();
 
 const fs = require('fs');
diff --git a/linkinator.config.json b/linkinator.config.json
index d9f4fa38..29a223b6 100644
--- a/linkinator.config.json
+++ b/linkinator.config.json
@@ -3,10 +3,7 @@
   "skip": [
     "https://codecov.io/gh/googleapis/",
     "www.googleapis.com",
-    "img.shields.io",
-    "https://github.com/googleapis/nodejs-dialogflow-cx/blob/master/samples/detect-intent-audio.js",
-    "https://github.com/googleapis/nodejs-dialogflow-cx/blob/master/samples/detect-intent-streaming.js",
-    "https://github.com/googleapis/nodejs-dialogflow-cx/blob/master/samples/detect-intent-text.js"
+    "img.shields.io"
   ],
   "silent": true,
   "concurrency": 10
diff --git a/samples/README.md b/samples/README.md
index bef96875..1d994828 100644
--- a/samples/README.md
+++ b/samples/README.md
@@ -12,9 +12,9 @@
 
 * [Before you begin](#before-you-begin)
 * [Samples](#samples)
-  * [Detect_intent_audio](#detect_intent_audio)
-  * [Detect_intent_streaming](#detect_intent_streaming)
-  * [Detect_intent_text](#detect_intent_text)
+  * [Detect-intent-audio](#detect-intent-audio)
+  * [Detect-intent-streaming](#detect-intent-streaming)
+  * [Detect-intent-text](#detect-intent-text)
   * [List-intents](#list-intents)
   * [Quickstart](#quickstart)
 
@@ -33,16 +33,16 @@ Before running the samples, make sure you've followed the steps outlined in
 
 
 
-### Detect_intent_audio
+### Detect-intent-audio
 
-View the [source code](https://github.com/googleapis/nodejs-dialogflow-cx/blob/master/samples/detect_intent_audio.js).
+View the [source code](https://github.com/googleapis/nodejs-dialogflow-cx/blob/master/samples/detect-intent-audio.js).
 
-[![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-dialogflow-cx&page=editor&open_in_editor=samples/detect_intent_audio.js,samples/README.md)
+[![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-dialogflow-cx&page=editor&open_in_editor=samples/detect-intent-audio.js,samples/README.md)
 
 __Usage:__
 
 
-`node samples/detect_intent_audio.js`
+`node samples/detect-intent-audio.js`
 
 
 -----
@@ -50,16 +50,16 @@ __Usage:__
 
 
 
-### Detect_intent_streaming
+### Detect-intent-streaming
 
-View the [source code](https://github.com/googleapis/nodejs-dialogflow-cx/blob/master/samples/detect_intent_streaming.js).
+View the [source code](https://github.com/googleapis/nodejs-dialogflow-cx/blob/master/samples/detect-intent-streaming.js).
 
-[![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-dialogflow-cx&page=editor&open_in_editor=samples/detect_intent_streaming.js,samples/README.md)
+[![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-dialogflow-cx&page=editor&open_in_editor=samples/detect-intent-streaming.js,samples/README.md)
 
 __Usage:__
 
 
-`node samples/detect_intent_streaming.js`
+`node samples/detect-intent-streaming.js`
 
 
 -----
@@ -67,16 +67,16 @@ __Usage:__
 
 
 
-### Detect_intent_text
+### Detect-intent-text
 
-View the [source code](https://github.com/googleapis/nodejs-dialogflow-cx/blob/master/samples/detect_intent_text.js).
+View the [source code](https://github.com/googleapis/nodejs-dialogflow-cx/blob/master/samples/detect-intent-text.js).
 
-[![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-dialogflow-cx&page=editor&open_in_editor=samples/detect_intent_text.js,samples/README.md)
+[![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-dialogflow-cx&page=editor&open_in_editor=samples/detect-intent-text.js,samples/README.md)
 
 __Usage:__
 
 
-`node samples/detect_intent_text.js`
+`node samples/detect-intent-text.js`
 
 
 -----
diff --git a/synth.metadata b/synth.metadata
index 40174952..7ce73fad 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-dialogflow-cx.git",
-        "sha": "b55737c7bcdbe7b20e1d1299612eace05516af73"
+        "sha": "25b53ebd3633d69fda2ad0ad1b863bbdc491c1cd"
       }
     },
     {