Fix calc indentation

source/2/2.4/2.4.3/Kcalc.rst

@@ -52,7 +52,7 @@ To store a value in memory press the :guilabel:`M+` Button. To retrieve a value
 
 Numerical System mode
 ---------------------
- To switch the calculator into number system mode :menuselection:`Settings --> Numeral System Mode`. The numerical system mode lets you change your numerical base instead of say the default base 10. To switch to a binary calculations click the :guilabel:`Bin` radio button. To switch the Octal or base 8 format click the :guilabel:`Oct` radio button. To switch to a hexadecimal format or base 16 format click the :guilabel:`Hexadecimal` radio button. For numbers greater than 10 for hexadecimal press the :guilabel:`A`-:guilabel:`F` buttons standing in for numbers 10-15 in base 10. When you are in number that are not part of a numerical base the button will get grayed out. To switch back to decimal or base 10 press the :guilabel:`Dec` radio button.   
+To switch the calculator into number system mode :menuselection:`Settings --> Numeral System Mode`. The numerical system mode lets you change your numerical base instead of say the default base 10. To switch to a binary calculations click the :guilabel:`Bin` radio button. To switch the Octal or base 8 format click the :guilabel:`Oct` radio button. To switch to a hexadecimal format or base 16 format click the :guilabel:`Hexadecimal` radio button. For numbers greater than 10 for hexadecimal press the :guilabel:`A`-:guilabel:`F` buttons standing in for numbers 10-15 in base 10. When you are in number that are not part of a numerical base the button will get grayed out. To switch back to decimal or base 10 press the :guilabel:`Dec` radio button.   
 
 .. image:: kcalcnummode.png