diff --git a/src/Network/IHTTPClient.php b/src/Network/IHTTPClient.php
index c8611e8f5..d0220d2c9 100644
--- a/src/Network/IHTTPClient.php
+++ b/src/Network/IHTTPClient.php
@@ -61,7 +61,7 @@ interface IHTTPClient
 	 *
 	 * @param string $url        URL to fetch
 	 * @param array  $opts       (optional parameters) assoziative array with:
-	 *                           'accept_content' => supply Accept: header with 'accept_content' as the value
+	 *                           'accept_content' => (string array) supply Accept: header with 'accept_content' as the value
 	 *                           'timeout' => int Timeout in seconds, default system config value or 60 seconds
 	 *                           'cookiejar' => path to cookie jar file
 	 *                           'header' => header array
@@ -75,7 +75,7 @@ interface IHTTPClient
 	 *
 	 * @param string $url        URL to fetch
 	 * @param array  $opts       (optional parameters) assoziative array with:
-	 *                           'accept_content' => supply Accept: header with 'accept_content' as the value
+	 *                           'accept_content' => (string array) supply Accept: header with 'accept_content' as the value
 	 *                           'timeout' => int Timeout in seconds, default system config value or 60 seconds
 	 *                           'cookiejar' => path to cookie jar file
 	 *                           'header' => header array