diff --git a/airtime_mvc/application/configs/navigation.php b/airtime_mvc/application/configs/navigation.php
index 74c360b08..851cae36b 100644
--- a/airtime_mvc/application/configs/navigation.php
+++ b/airtime_mvc/application/configs/navigation.php
@@ -96,7 +96,7 @@ $pages = array(
             ),
             array(
                 'label'      => 'User Manual',
-                'uri'        => "http://manuals.sourcefabric.org/",
+                'uri'        => "http://www.sourcefabric.org/en/airtime/manuals/",
                 'target'     => "_blank"
             ),
             array(
diff --git a/airtime_mvc/application/controllers/ApiController.php b/airtime_mvc/application/controllers/ApiController.php
index d70476e06..8e97e639c 100644
--- a/airtime_mvc/application/controllers/ApiController.php
+++ b/airtime_mvc/application/controllers/ApiController.php
@@ -175,7 +175,7 @@ class ApiController extends Zend_Controller_Action
     /**
      * Retrieve the currently playing show as well as upcoming shows.
      * Number of shows returned and the time interval in which to
-     * get the next shows can be configured as post parameters.
+     * get the next shows can be configured as GET parameters.
      * 
      * TODO: in the future, make interval length a parameter instead of hardcode to 48
      * 
@@ -206,7 +206,7 @@ class ApiController extends Zend_Controller_Action
             }
             
             $limit = $request->getParam('limit');
-            if($limit == "") {
+            if($limit == "" || !is_numeric($limit)) {
                 $limit = "5";
             }