diff --git a/source/2/2.2/2.2.2/libreoffice_calc.rst b/source/2/2.2/2.2.2/libreoffice_calc.rst
index 173eae2e..cc5699d2 100644
--- a/source/2/2.2/2.2.2/libreoffice_calc.rst
+++ b/source/2/2.2/2.2.2/libreoffice_calc.rst
@@ -15,7 +15,7 @@ To change the size of a  row or colum of cells click in between the border of th
 
 To sort your data like a bunch of names first select all the cells with the mouse :menuselection:`Data --> Sort Ascending`. If you want the reverse order to this you can have :menuselection:`Data --> Sort Descending`.  
 
-To undo a selection press :kbd:`control +z` or press the button with the arrow looping around and pointing to the left. 
+To undo a selection press :kbd:`control +z` or press the button with the arrow looping around and pointing to the left. To redo an operation press :kbd:`Control +y` or the number looping to the right and exiting to the left.  
 
 To zoom to view a full page on your spreadsheet in the menu :menuselection:`View --> Zoom --> Entire Page`. To view the whole width of your page on the menu :menuselection:`View --> Zoom --> Page Width`.