README.md in capybara-screenshot-diff-1.1.0 vs README.md in capybara-screenshot-diff-1.2.0

@@ -293,12 +293,20 @@
 a stability time limit.  If the stability time limit is set, a second screen
 shot will be taken and compared to the first.  This is repeated until two
 subsequent screen shots are identical.
 
 ```ruby
-Capybara::Screenshot.stability_time_limit = 0.5
+Capybara::Screenshot.stability_time_limit = 0.1
 ```
 
+This can be overridden on a single screenshot:
+
+```ruby
+test 'stability_time_limit' do
+  visit '/'
+  screenshot 'index', stability_time_limit: 0.5
+end
+```
 
 
 ### Removing focus from the active element
 
 In Chrome the screenshot includes the blinking input cursor.  This can make it impossible to get a