diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c64fd8..588f41a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [0.3.11][]
+
+* FIXED: `application:delete` was returning a null response and throwing a validation error.
+* FIXED: `application:numbers` example was missing the required `app_id` parameter.
+
+
 ## [0.3.10][]
 
 * FIXED: `number:update` had been duplicated resulting in multiple executions per `number:update` command. One version has now been renamed to `numbers:update`.
diff --git a/README.md b/README.md
index 6c3e436..bbc66bb 100644
--- a/README.md
+++ b/README.md
@@ -425,6 +425,10 @@ Alias: `nexmo au`.
 
 #### Delete an application
 
+Parameters:
+
+- `app_id` - the UUID of your application.
+
 ```
 > nexmo app:delete asdasdas-asdd-2344-2344-asdasdasd345
 This is operation can not be reversed.
@@ -441,6 +445,10 @@ Alias: `nexmo ad`.
 
 #### Show numbers for an application
 
+Parameters:
+
+- `app_id` - the UUID of your application.
+
 - Optional flags:
 
   - `--size` the amount of results to return
@@ -452,7 +460,7 @@ Alias: `nexmo ad`.
 44655555555
 44555555555
 
-> nexmo app:numbers --verbose
+> nexmo app:numbers asdasdas-asdd-2344-2344-asdasdasd345 --verbose
 Item 1-3 of 3
 
 msisdn      | country | type       | features  | voiceCallbackType | voiceCallbackValue | moHttpUrl | voiceStatusCallbackUrl
diff --git a/package.json b/package.json
index a84b89d..8071716 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nexmo-cli",
-  "version": "0.3.10",
+  "version": "0.3.11",
   "description": "Nexmo Command Line Interface",
   "main": "lib/request.js",
   "scripts": {
@@ -49,6 +49,6 @@
     "colors": "^1.1.2",
     "commander": "^2.9.0",
     "ini": "^1.3.4",
-    "nexmo": "^2.0.2"
+    "nexmo": "^2.1.1"
   }
 }
diff --git a/src/validator.js b/src/validator.js
index af33e65..607da59 100644
--- a/src/validator.js
+++ b/src/validator.js
@@ -10,9 +10,9 @@ class Validator {
       this.emitter.error(error.message);
     } else if (error && error.body && error.body['error-code']) {
       this.emitter.error(error.body['error-code-label']);
-    } else if (response['error-code'] && response['error-code'] !== '200') {
+    } else if (response && response['error-code'] && response['error-code'] !== '200') {
       this.emitter.error(response['error-code-label']);
-    } else if (response['status'] && response['status'] !== '0') {
+    } else if (response && response['status'] && response['status'] !== '0') {
       this.emitter.error(response['status_message']);
     }
   }
diff --git a/tests/validator.js b/tests/validator.js
index 02dd7a7..a4b551c 100644
--- a/tests/validator.js
+++ b/tests/validator.js
@@ -21,6 +21,13 @@ describe('Validator', () => {
       });
     });
 
+    describe('when no response is present', () => {
+      it('should fall through quietely', () => {
+        let validator = new Validator(new Emitter());
+        expect(validator.response(null, null)).to.be.undefined;
+      });
+    });
+
     describe('when errors are present', () => {
       describe('due to error objects', () => {
         it('should emit an error', sinon.test(function() {