Fixed a couple of spelling mistakes

Author: mage2pratik

Diff for: guides/v2.0/coding-standards/docblock-standard-javascript.md

@@ -85,7 +85,7 @@ A description must be provided along with parameters. Method descriptions should
  *
  * @param {project.MyClass} obj Instance of MyClass which leads to a long
  *     comment that needs to be wrapped to two lines.
- * @return {boolean} Whether something occured.
+ * @return {boolean} Whether something occurred.
  */
 function someMethod(obj) {
     // ...

Diff for: guides/v2.1/coding-standards/docblock-standard-javascript.md

@@ -96,7 +96,7 @@ A description must be provided along with parameters. Method descriptions should
  *
  * @param {project.MyClass} obj Instance of MyClass which leads to a long
  *     comment that needs to be wrapped to two lines.
- * @return {boolean} Whether something occured.
+ * @return {boolean} Whether something occurred.
  */
 function someMethod(obj) {
     // ...

Diff for: guides/v2.2/extension-dev-guide/message-queues/implement-bulk.md

@@ -229,7 +229,7 @@ class Consumer
         try {
             //add here your own logic for async operations
         } catch (\Zend_Db_Adapter_Exception  $e) {
-            //here sample how to process exceptions if they occured
+            //here sample how to process exceptions if they occurred
             $this->logger->critical($e->getMessage());
             //you can add here your own type of exception when operation can be retried
             if (

Diff for: guides/v2.3/extension-dev-guide/message-queues/implement-bulk.md

@@ -223,7 +223,7 @@ class Consumer
         try {
             //add here your own logic for async operations
         } catch (\Zend_Db_Adapter_Exception  $e) {
-            //here sample how to process exceptions if they occured
+            //here sample how to process exceptions if they occurred
             $this->logger->critical($e->getMessage());
             //you can add here your own type of exception when operation can be retried
             if (

Diff for: swagger/lib/marked.js

@@ -1208,7 +1208,7 @@ function marked(src, opt, callback) {
   } catch (e) {
     e.message += '\nPlease report this to https://github.com/chjj/marked.';
     if ((opt || marked.defaults).silent) {
-      return '<p>An error occured:</p><pre>'
+      return '<p>An error occurred:</p><pre>'
         + escape(e.message + '', true)
         + '</pre>';
     }