Add device usage graph

source/2/2.4/2.4.4/pcmanfm-qt.rst

@@ -60,7 +60,7 @@ To have PCManFM-Qt reload what folder you are viewing press :kbd:`F5`, the circu
 
  Modifying or deleting files as root may end up making your system unable to boot if you do not know what you are doing or make a mistake.
 
-To view the properties of a file or folder right click on it and select :menuselection:`Properties` from the menu, :menuselection:`File --> File Properties` or press :kbd:`Alt +Enter`. To view a dialog that shows folder properties :menuselection:`File --> Folder Properties`. To choose a  The :guilabel:`General` tab will show you the size of the file, where the file is, when the file was created, and when it was last modified or accessed. To change what program a file opens with use the :guilabel:`Open With` drop down menu and select the program to open the file. To change the icon shown for a file use the :guilabel:`...` button next to :guilabel:`Emblem`. To clear this from the file press the :guilabel:`Clear emblem` button.
+To view the properties of a file or folder right click on it and select :menuselection:`Properties` from the menu, :menuselection:`File --> File Properties` or press :kbd:`Alt +Enter`. To view a dialog that shows folder properties :menuselection:`File --> Folder Properties`. To choose a  The :guilabel:`General` tab will show you the size of the file, where the file is, when the file was created, and when it was last modified or accessed. To change what program a file opens with use the :guilabel:`Open With` drop down menu and select the program to open the file. To change the icon shown for a file use the :guilabel:`...` button next to :guilabel:`Emblem`. To clear this from the file press the :guilabel:`Clear emblem` button. To view how much free space is left on the drive that the file is stored on view the :guilabel:`Device Usage` graph.
  
  .. image:: file-prop.png