diff --git a/wp-admin/includes/class-wp-upgrader.php b/wp-admin/includes/class-wp-upgrader.php
index ae0ce01a64..e7dcd64ada 100644
--- a/wp-admin/includes/class-wp-upgrader.php
+++ b/wp-admin/includes/class-wp-upgrader.php
@@ -799,14 +799,16 @@ class WP_Upgrader {
 	}
 
 	/**
- 	 * Release a lock created by `WP_Upgrader::create_lock()`.
+ 	 * Releases an upgrader lock.
  	 *
  	 * @since 4.5.0
  	 * @access public
  	 * @static
+	 *
+	 * @see WP_Upgrader::create_lock()
  	 *
  	 * @param string $lock_name The name of this unique lock.
- 	 * @return bool
+	 * @return bool True if the lock was successfully released. False on failure.
  	 */
 	public static function release_lock( $lock_name ) {
 		return delete_option( $lock_name . '.lock' );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 2948f7d057..a56d1aa315 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-beta2-36821';
+$wp_version = '4.5-beta2-36822';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.