Changed description of variable

build/integration/features/bootstrap/WebDav.php

@@ -16,7 +16,7 @@ trait WebDav {
 	private $usingOldDavPath = true;
 	/** @var ResponseInterface */
 	private $response;
-	/** @var array */
+	/** @var map with user as key and another map as value, which has path as key and etag as value */
 	private $storedETAG = NULL;
 
 	/**