Fix formatting in Development documentation (#6686)
Fix formatting in Development documentation (#6686)

Co-authored-by: Thibaud Colas <cab3f04a274f02021d041ea17f32f0cda0638e88@gmail.com>
kaedroho/wagtail,rsalmaso/wagtail,rsalmaso/wagtail,kaedroho/wagtail,gasman/wagtail,rsalmaso/wagtail,zerolab/wagtail,zerolab/wagtail,wagtail/wagtail,kaedroho/wagtail,jnns/wagtail,zerolab/wagtail,jnns/wagtail,zerolab/wagtail,gasman/wagtail,gasman/wagtail,thenewguy/wagtail,jnns/wagtail,torchbox/wagtail,gasman/wagtail,rsalmaso/wagtail,thenewguy/wagtail,kaedroho/wagtail,thenewguy/wagtail,wagtail/wagtail,mixxorz/wagtail,mixxorz/wagtail,gasman/wagtail,thenewguy/wagtail,mixxorz/wagtail,torchbox/wagtail,jnns/wagtail,mixxorz/wagtail,zerolab/wagtail,wagtail/wagtail,rsalmaso/wagtail,mixxorz/wagtail,wagtail/wagtail,torchbox/wagtail,torchbox/wagtail,thenewguy/wagtail,wagtail/wagtail,kaedroho/wagtail