Fixing errors

doc/source/admin/webhooks.rst

@@ -37,23 +37,23 @@ For each type there is an example provided:
 .. _XKCD: http://xkcd.com/
 
  .. image:: images_webhooks/tool.png
-  :scale: 50 %
+    :scale: 50 %
  .. image:: images_webhooks/workflow.png
-  :scale: 50 %
+    :scale: 50 %
 
 - Additional functionality can be added to the top menu. Two dummy buttons are implemented to show the idea:
 
   - A button that links to biostars 
    .. image:: images_webhooks/masthead.png
-    :scale: 50 %
+      :scale: 50 %
   - A button that shows a pop-up with information about an user. 
    .. image:: images_webhooks/masthead_trans_object.png
-    :scale: 50 %
+      :scale: 50 %
 
 - The history menu can be extended. In this case we use two dummy entries 'History Menu Webhook Item 1' and  'History Menu Webhook Item 2'.
  .. image:: images_webhooks/history-menu.png
-  :scale: 50 %
-  
+    :scale: 50 %
+
 Plugin structure
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