diff --git a/lib/public/appframework/http/icallbackresponse.php b/lib/public/appframework/http/icallbackresponse.php
index 4a392ed081d72b1d2481053649eff075bdc923fb..4d50df7ac77c1a51218f9d509491fbe4026e865e 100644
--- a/lib/public/appframework/http/icallbackresponse.php
+++ b/lib/public/appframework/http/icallbackresponse.php
@@ -21,7 +21,7 @@ interface ICallbackResponse {
 	/**
 	 * Outputs the content that should be printed
 	 *
-	 * @param IOutput a small wrapper that handles output
+	 * @param IOutput $output a small wrapper that handles output
 	 */
 	function callback(IOutput $output);
 
diff --git a/lib/public/appframework/http/streamresponse.php b/lib/public/appframework/http/streamresponse.php
index 870eb95cc1a7aa30a6576d7cfa28496065ea00ac..ede1dc8b58ec999bdf1a2d04990cd62fb039dea1 100644
--- a/lib/public/appframework/http/streamresponse.php
+++ b/lib/public/appframework/http/streamresponse.php
@@ -32,7 +32,7 @@ class StreamResponse extends Response implements ICallbackResponse {
 	/**
 	 * Streams the file using readfile
 	 *
-	 * @param IOutput a small wrapper that handles output
+	 * @param IOutput $output a small wrapper that handles output
 	 */
 	public function callback (IOutput $output) {
 		// handle caching