Fix typo in `ModelAdmin` Primer docs
Fix typo in `ModelAdmin` Primer docs
rsalmaso/wagtail,zerolab/wagtail,zerolab/wagtail,thenewguy/wagtail,rsalmaso/wagtail,thenewguy/wagtail,wagtail/wagtail,rsalmaso/wagtail,zerolab/wagtail,rsalmaso/wagtail,zerolab/wagtail,thenewguy/wagtail,thenewguy/wagtail,wagtail/wagtail,zerolab/wagtail,rsalmaso/wagtail,wagtail/wagtail,thenewguy/wagtail,wagtail/wagtail,wagtail/wagtail