Putting instructions for GitHub in a separate section.

README.rst

@@ -70,14 +70,6 @@ For example::
 Note that if the service already exists, it will be overwritten without
 warning.
 
-For GitHub, you may find the requested shared key by logging into your
-account, clicking on your profile photo to deploy a drop down menu, clicking
-on the "Settings" option in the drop down menu, then, in the "Access" section
-of the sidebar, click on "Password and Authentication", then, in the
-"Two-factor authentication" section of the page, click on "Enable two-factor
-authentication", and, instead of scanning the QR code, click on "setup key".
-The shared key required by totp will then be displayed on the screen.
-
 To output without copying to the clipboard:
 
     $ totp -n SERVICE
@@ -97,6 +89,17 @@ provided in a separate line, with a format like:
 
 For the moment, only customizing the token length is possible.
 
+Usage with GitHub
+-----------------
+
+For GitHub, you may find the requested shared key by logging into your
+account, clicking on your profile photo to deploy a drop down menu, clicking
+on the "Settings" option in the drop down menu, then, in the "Access" section
+of the sidebar, click on "Password and Authentication", then, in the
+"Two-factor authentication" section of the page, click on "Enable two-factor
+authentication", and, instead of scanning the QR code, click on "setup key".
+The shared key required by `totp` will then be displayed on the screen.
+
 Requirements
 ------------