diff --git a/source/2/2.5/2.5.1/K3b.rst b/source/2/2.5/2.5.1/K3b.rst
index 1b28bdb2..9d1c47d1 100644
--- a/source/2/2.5/2.5.1/K3b.rst
+++ b/source/2/2.5/2.5.1/K3b.rst
@@ -15,7 +15,7 @@ The files you add to your project will now be shown at a pane towards the bottom
 
 To burn to an optical disc press :kbd:`Control+B` or :menuselection:`Project --> Burn`. After burning a popup will appear and the disc should eject when it is done. 
 
-To change your current directory in the center of the screen there is a sidebar to navigate folder on the left hand side. To switch to folder with the sidebar double click on the folder.
+To change your current directory in the center of the screen there is a sidebar to navigate folder on the left hand side. To switch to folder with the sidebar double click on the folder. To see what other folder are contained in a folder single left click to expand that folder and single left click again to collapse that folder.
 
 To eject the disc from your drive press :menuselection:`Device --> Eject`. To view information on the disc you have inserted :menuselection:`Device --> Media Info`. If you want to lower noise from the spinning of optical drives :menuselection:`Device --> Set Read Speed...` and set a lower number to make the disk spin slower in CD or DVD players for less noise.