Add read aloud tab to firefox reader view

source/2/2.1/2.1.1/firefox.rst

@@ -82,6 +82,8 @@ To change settins with your text in reader view press the :guilabel:`Aa` button
 
 To choose a theme for how to view text in reader view use the :guilabel:`Theme` on the sidebar to the left. The default subtab lets you choose either an :guilabel:`Auto`, :guilabel:`Dark`, :guilabel:`Contrast`, :guilabel:`Light`, :guilabel:`Sepia`, or :guilabel:`Gray` theme by left clicking on the theme. To use a custom theme use the :guilabel:`Custom`tab. To choose the color of your text left click on the :guilabel:`Text` box. To change the background color of your text left click the :guilabel:`Background` menu. To choose which color for unvisited links use the :guilabel:`Univisted links` menu. To change the color of visited links change the :guilabel:`Visited links` menu. To change what color to highlight text to be read aloud :guilabel:`Highlighter for read aloud` menu. To reset your custom theme to default press :guilabel:`Reset defaults`.
 
+To read text on your webpage aloud use the :guialbel:`read aloud` tab on the left sidebar. To start reading text aloud press the :guilabel:`Play` button. To repeat what is beintg read press the :guilabel:`back `button with the left poiinting arrow. To skip to the next paragraph press the right pointing arrowing or :guilabel:`forward` button. To slow down how fast text is read move the slider towards the :guilabel:`tortoise`. To speed up the rate of the text being read move it towards the :guilabel:`rabbit`. To change which voice you to read text in use the :guilabel:`voice` drop down menu.
+
 Customizing
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