Docs: Correct a comment and `@return` entry in `WP_Upgrader::create_lock()`.

Props markshep.
Fixes #38089.
Built from https://develop.svn.wordpress.org/trunk@38622


git-svn-id: http://core.svn.wordpress.org/trunk@38565 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-upgrader.php

@@ -833,7 +833,7 @@ class WP_Upgrader {
  	 * @param string $lock_name       The name of this unique lock.
  	 * @param int    $release_timeout Optional. The duration in seconds to respect an existing lock.
 	 *                                Default: 1 hour.
- 	 * @return bool False if a lock couldn't be created or if the lock is no longer valid. True otherwise.
+ 	 * @return bool False if a lock couldn't be created or if the lock is still valid. True otherwise.
  	 */
 	public static function create_lock( $lock_name, $release_timeout = null ) {
 		global $wpdb;
@@ -853,7 +853,7 @@ class WP_Upgrader {
 				return false;
 			}
 
-			// Check to see if the lock is still valid. If not, bail.
+			// Check to see if the lock is still valid. If it is, bail.
 			if ( $lock_result > ( time() - $release_timeout ) ) {
 				return false;
 			}

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38621';
+$wp_version = '4.7-alpha-38622';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.