Merge pull request #5430 from TomJGooding/docs-actions-fix-namespaces-example

docs(action): fix namespaces code example

Author: willmcgugan

docs/examples/guide/actions/actions05.py

@@ -3,9 +3,9 @@
 
 TEXT = """
 [b]Set your background[/b]
-[@click=app.set_background('cyan')]Cyan[/]
-[@click=app.set_background('magenta')]Magenta[/]
-[@click=app.set_background('yellow')]Yellow[/]
+[@click=set_background('cyan')]Cyan[/]
+[@click=set_background('magenta')]Magenta[/]
+[@click=set_background('yellow')]Yellow[/]
 """