Updated scaling on screenshot

Author: ada

synthetics/test-config/auth.rst

@@ -434,11 +434,12 @@ There are two ways to create a global variable:
   #. Expand the :guilabel:`Variables` panel on the right, scroll to :guilabel:`Global variables` and select :guilabel:`Add`.
 
 
+In the :guilabel:`Add global variable` dialog box, enter the following:
+
 ..  image:: /_images/synthetics/auth-multifactor-totp-add-variable.png
-    :width: 30%
+    :width: 40%
     :alt: Screenshot showing how to create a global variable. 
 
-In the :guilabel:`Add global variable` dialog box, enter the following:
 
 #. In the :guilabel:`Variable` type pull-down menu, select :guilabel:`TOTP`.
 #. In the :guilabel:`Variable name` field, enter the name of the variable. You will use this name to access your variable within a test.