mode/rst: fix comment about headings
mode/rst: fix comment about headings

Signed-off-by: Robin Jarry <474ee9ee179b0ecf0bc27408079a0b15eda4c99d@jarry.cc>

fjakobs/ace,patope/ace,leanprover/ace,leanprover/ace,Stackato-Apps/ace,ylian/ace,fjakobs/ace,ylian/ace,Stackato-Apps/ace,mkosieradzki/ace,leanprover/ace,Stackato-Apps/ace,mlajtos/ace,mkosieradzki/ace,fjakobs/ace,mlajtos/ace,fjakobs/ace,leanprover/ace,mlajtos/ace,ylian/ace,mlajtos/ace,patope/ace,Stackato-Apps/ace,paladox/ace,mkosieradzki/ace,ylian/ace,patope/ace,paladox/ace,animack/ace,mkosieradzki/ace,paladox/ace,robottomw/ace,fjakobs/ace,patope/ace,mkosieradzki/ace,animack/ace,leanprover/ace,ylian/ace,animack/ace,animack/ace,leanprover/ace,robottomw/ace,mlajtos/ace,animack/ace,paladox/ace,paladox/ace,fjakobs/ace,leanprover/ace,fjakobs/ace,animack/ace,mlajtos/ace,patope/ace,mlajtos/ace,fjakobs/ace,paladox/ace,ylian/ace,mlajtos/ace,leanprover/ace,animack/ace,animack/ace,patope/ace,patope/ace,patope/ace,Stackato-Apps/ace,fjakobs/ace,mlajtos/ace,fjakobs/ace,mlajtos/ace,acanakoglu/ace,patope/ace,Stackato-Apps/ace,mkosieradzki/ace,fjakobs/ace,mkosieradzki/ace,ektx/ace,ylian/ace,patope/ace,fjakobs/ace,ylian/ace,paladox/ace,ylian/ace,leanprover/ace,patope/ace,leanprover/ace,Stackato-Apps/ace,leanprover/ace,mlajtos/ace,Stackato-Apps/ace,patope/ace,mlajtos/ace,fjakobs/ace,Stackato-Apps/ace,Stackato-Apps/ace,Stackato-Apps/ace,mkosieradzki/ace,paladox/ace,animack/ace,mlajtos/ace,ylian/ace,ylian/ace,paladox/ace,leanprover/ace,mkosieradzki/ace,Stackato-Apps/ace,fjakobs/ace,leanprover/ace,paladox/ace,Stackato-Apps/ace,mkosieradzki/ace,Stackato-Apps/ace,animack/ace,mkosieradzki/ace,animack/ace,paladox/ace,fjakobs/ace,animack/ace,mkosieradzki/ace,ylian/ace,animack/ace,paladox/ace,patope/ace,Stackato-Apps/ace,fjakobs/ace,paladox/ace,paladox/ace,fjakobs/ace,paladox/ace,mkosieradzki/ace,ektx/ace,Stackato-Apps/ace,paladox/ace,animack/ace,ylian/ace,animack/ace,leanprover/ace,paladox/ace,animack/ace,leanprover/ace,mkosieradzki/ace,mkosieradzki/ace,ylian/ace,mkosieradzki/ace,leanprover/ace,ylian/ace,robottomw/ace,ektx/ace,fjakobs/ace,mlajtos/ace,animack/ace,ylian/ace,acanakoglu/ace,mlajtos/ace,ylian/ace,ylian/ace,leanprover/ace,Stackato-Apps/ace,patope/ace,animack/ace,animack/ace,patope/ace,paladox/ace,patope/ace,patope/ace,fjakobs/ace,Stackato-Apps/ace,acanakoglu/ace,patope/ace,mkosieradzki/ace,mkosieradzki/ace,mlajtos/ace,leanprover/ace,mlajtos/ace,mlajtos/ace