Add underline button to noblenote

source/2/2.4/2.4.7/noblenote.rst

@@ -23,7 +23,7 @@ To bring back up your note nobleNote will leave a notebook icon in the system tr
 
 To search a note for something type into the bar to find something in your note. To go to your next result press the :guilabel:`Find next` button. To find the previous result press the :guilabel:`Find previous` button. To change your font first press the :guilabel:`>>` button and then select your font from the drop down on the left. To change your font size of your notes first press the :guilabel:`>>` button and then select your font size from the drop down to the right. 
 
-To make the text on your note bold press :kbd:`Control+B` or the **a** button. To make your text on your note italic press :kbd:`Control+I` or the *a* button. To clear all formatting press the :guilabel:`Aa` button. To insert a hyperlink press :kbd:`Control+K` or press the button looking like a globe. To change your font color for your notes press left click the color square to the left. To strike things out press the button with the line through it. To make bullet points in a list press the button with bullet points and a horizontal line. 
+To make the text on your note bold press :kbd:`Control+B` or the **a** button. To make your text on your note italic press :kbd:`Control+I` or the *a* button. To underline your text press my underlined a button. To clear all formatting press the :guilabel:`Aa` button. To insert a hyperlink press :kbd:`Control+K` or press the button looking like a globe. To change your font color for your notes press left click the color square to the left. To strike things out press the button with the line through it. To make bullet points in a list press the button with bullet points and a horizontal line. 
 
 Screenshot
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