Grammar fix

"you do will not" -> "you will not"

Author: JackSteele

help/C/index.docbook

@@ -344,7 +344,7 @@
 
     <note>
       <para>
-        You do will not receive rate data from your computer if it is not
+        You will not receive rate data from your computer if it is not
         charging or discharging, or if the computer is suspended.
         This is due to hardware limitations where the rate is only sent from
         the battery management chip, rather than the power management chip on