Fix regions highlighter docstring
Fix regions highlighter docstring

danielma/kakoune,ekie/kakoune,xificurC/kakoune,zakgreant/kakoune,Somasis/kakoune,jkonecny12/kakoune,casimir/kakoune,danielma/kakoune,occivink/kakoune,alpha123/kakoune,occivink/kakoune,Asenar/kakoune,mawww/kakoune,danr/kakoune,alexherbo2/kakoune,Asenar/kakoune,zakgreant/kakoune,flavius/kakoune,jjthrash/kakoune,xificurC/kakoune,lenormf/kakoune,occivink/kakoune,elegios/kakoune,casimir/kakoune,rstacruz/kakoune,jjthrash/kakoune,danr/kakoune,alexherbo2/kakoune,ekie/kakoune,alexherbo2/kakoune,lenormf/kakoune,mawww/kakoune,jjthrash/kakoune,Somasis/kakoune,Asenar/kakoune,rstacruz/kakoune,lenormf/kakoune,alpha123/kakoune,flavius/kakoune,Somasis/kakoune,mawww/kakoune,jjthrash/kakoune,lenormf/kakoune,Asenar/kakoune,danielma/kakoune,occivink/kakoune,jkonecny12/kakoune,Somasis/kakoune,rstacruz/kakoune,danr/kakoune,rstacruz/kakoune,xificurC/kakoune,flavius/kakoune,jkonecny12/kakoune,alexherbo2/kakoune,casimir/kakoune,ekie/kakoune,casimir/kakoune,zakgreant/kakoune,ekie/kakoune,alpha123/kakoune,elegios/kakoune,alpha123/kakoune,mawww/kakoune,xificurC/kakoune,flavius/kakoune,elegios/kakoune,danr/kakoune,danielma/kakoune,jkonecny12/kakoune,elegios/kakoune,zakgreant/kakoune