Fix some casing code in examples in API configuration docs
Fix some casing code in examples in API configuration docs

zerolab/wagtail,thenewguy/wagtail,rsalmaso/wagtail,wagtail/wagtail,rsalmaso/wagtail,zerolab/wagtail,wagtail/wagtail,zerolab/wagtail,zerolab/wagtail,rsalmaso/wagtail,thenewguy/wagtail,thenewguy/wagtail,wagtail/wagtail,thenewguy/wagtail,rsalmaso/wagtail,zerolab/wagtail,rsalmaso/wagtail,wagtail/wagtail,wagtail/wagtail,thenewguy/wagtail