Fix DocBlock

Author: driesvints

src/Illuminate/Cache/DynamoDbStore.php

@@ -185,7 +185,7 @@ protected function isExpired(array $item, $expiration = null)
      * Store an item in the cache for a given number of minutes.
      *
      * @param  string  $key
-     * @param  mixed   $value
+     * @param  mixed  $value
      * @param  float|int  $minutes
      * @return bool
      */
@@ -249,7 +249,7 @@ public function putMany(array $values, $minutes)
      * Store an item in the cache if the key doesn't exist.
      *
      * @param  string  $key
-     * @param  mixed   $value
+     * @param  mixed  $value
      * @param  float|int  $minutes
      * @return bool
      */