Update slug in YAML front matter
Update slug in YAML front matter

rchavarria/docs,ekse/exercism-docs,exercism/DEPRECATED.help.exercism.io,lfex/exercism-docs,ZacharyRSmith/docs,ekse/exercism-docs,lfex/exercism-docs,arashbi/docs,exercism/DEPRECATED.help.exercism.io,rchavarria/docs,spazm/docs,spazm/docs,ZacharyRSmith/docs,arashbi/docs