better formatting for api generation

src/Cache/Cache.php

@@ -548,11 +548,15 @@ public static function remember($key, $callable, $config = 'default')
      *
      * Writing to the active cache config:
      *
-     * `Cache::add('cached_data', $data);`
+     * ```
+     * Cache::add('cached_data', $data);
+     * ````
      *
      * Writing to a specific cache config:
      *
-     * `Cache::add('cached_data', $data, 'long_term');`
+     * ```
+     * Cache::add('cached_data', $data, 'long_term');
+     * ```
      *
      * @param string $key Identifier for the data.
      * @param mixed $value Data to be cached - anything except a resource.

src/Cache/Engine/ApcEngine.php

@@ -161,7 +161,7 @@ public function clear($check)
     }
 
     /**
-     * Write data for key into cache if it doesn't exist already. 
+     * Write data for key into cache if it doesn't exist already.
      * If it already exists, it fails and returns false.
      *
      * @param string $key Identifier for the data.