Fix documentation typo. Closes gh-57.
Fix documentation typo. Closes gh-57.

linkodehub/thor,drnic/thor,doudou/thor,fancyremarker/thor,b-dean/thor,flyinbutrs/thor,groovenauts/thor,linkodehub/thor,flyinbutrs/thor,sideci-sample/sideci-sample-thor,sideci-sample/sideci-sample-thor,fhernandez173/thor,groovenauts/thor,r7kamura/thor,segiddins/thor,b-dean/thor,r7kamura/thor,fhernandez173/thor,segiddins/thor,fancyremarker/thor,shaiguitar/thor,erikhuda/thor