fix a few typos in Control.ST tutorial
fix a few typos in Control.ST tutorial
markuspf/Idris-dev,uuhan/Idris-dev,mpkh/Idris-dev,markuspf/Idris-dev,markuspf/Idris-dev,kojiromike/Idris-dev,Heather/Idris-dev,uuhan/Idris-dev,kojiromike/Idris-dev,kojiromike/Idris-dev,markuspf/Idris-dev,uuhan/Idris-dev,mpkh/Idris-dev,uuhan/Idris-dev,markuspf/Idris-dev,mpkh/Idris-dev,uuhan/Idris-dev,kojiromike/Idris-dev,mpkh/Idris-dev,markuspf/Idris-dev,uuhan/Idris-dev,mpkh/Idris-dev,uuhan/Idris-dev,Heather/Idris-dev,Heather/Idris-dev,kojiromike/Idris-dev,Heather/Idris-dev,kojiromike/Idris-dev,Heather/Idris-dev,mpkh/Idris-dev,markuspf/Idris-dev,Heather/Idris-dev