Issue #241: final tweak to user guide docs [ci skip]
Issue #241: final tweak to user guide docs [ci skip]

seandenigris/metacello-work,krono/metacello-work,pharo-project/pharo-metacello,seandenigris/metacello-work,pharo-project/pharo-metacello,dalehenrich/metacello-work,krono/metacello-work,demarey/metacello-work,StephanEggermont/metacello-work,StephanEggermont/metacello-work,dalehenrich/metacello-work,demarey/metacello-work,Metacello/metacello