doc: little update on 'text-insert' and 'text-remove' documentation
doc: little update on 'text-insert' and 'text-remove' documentation

https://bugzilla.gnome.org/show_bug.cgi?id=684705

Distrotech/atk,Distrotech/atk,GNOME/at-spi2-core,GNOME/at-spi2-core,GNOME/at-spi2-core,Distrotech/atk