Add Search and subset fields to specail character window

source/2/2.2/2.2.2/libreoffice_calc.rst

@@ -41,7 +41,7 @@ To select all cells in your spreadsheet press :kbd:`Control+A`. To select an ent
 
 To create a new spreadsheet in the same file press the button on the bottom that looks like a :guilabel:`+` or :menuselection:`Sheet --> Insert Sheet`. To switch between each sheet press the button on each sheet at the bottom near the button to add a new sheet.
 
-To insert a special character not on your keyboard :menuselection:`Insert --> Special Character`. To select what character to insert left click in the center of the inserting character window. To actually insert the symbol press the :guilabel:`Insert` button.
+To insert a special character not on your keyboard :menuselection:`Insert --> Special Character`. To select what character to insert left click in the center of the inserting character window. To search for a symbol type your search term into the :guilabel:`Search` field. To chose which group of symbols to choose from use the :guilabel:`Subset` drop down menu. To actually insert the symbol press the :guilabel:`Insert` button.
 
 .. image:: calc-specialcharacter.png