diff --git a/manual/gui.rst b/manual/gui.rst
index 06c876fde8..e4ee0c43bd 100755
--- a/manual/gui.rst
+++ b/manual/gui.rst
@@ -66,7 +66,7 @@ To add an additional format for an existing book you can do any of three things:
 
     1. Drag and drop the file onto the book details panel on the right side of the main window
            
-    2. Right click the Add books button and choose :guilabel`:Add files to selected books`.
+    2. Right click the Add books button and choose :guilabel:`Add files to selected books`.
            
     3. Click the red add books button in the top right area of the :guilabel:`Edit Metadata` dialog, accessed by the :ref:`edit_meta_information` action.