Fixed some minor syntax issues.

Author: javiereguiluz

cookbook/email/gmail.rst

@@ -78,10 +78,10 @@ You're done!
 
 .. note::
 
-    Depending on your Gmail account settings, you may get authentication errors within your app.
-    If your Gmail account uses 2-Step-Verification, you should `generate an App password`_ to use for your
-    ``mailer_password`` parameter.
+    Depending on your Gmail account settings, you may get authentication errors
+    within your app. If your Gmail account uses 2-Step-Verification, you should
+    `generate an App password`_ to use for your ``mailer_password`` parameter.
     You should also ensure that you `allow less secure apps to access your Gmail account`_.
-    
+
 .. _`generate an App password`: https://support.google.com/accounts/answer/185833
 .. _`allow less secure apps to access your Gmail account`: https://support.google.com/accounts/answer/6010255