Fixed errors in documentation.
Fixed errors in documentation.

erimerturk/takes,dalifreire/takes,yegor256/takes,RamIndani/takes,simonjenga/takes,ikhvostenkov/takes,RamIndani/takes,xupyprmv/takes,pecko/takes,simonjenga/takes,hs3180/takes,antonini/takes,bdragan/takes,yegor256/takes,essobedo/takes,mstzn36/takes,erimerturk/takes,Bertram25/takes,mstzn36/takes,Bertram25/takes,antonini/takes,essobedo/takes,hs3180/takes,xupyprmv/takes,bdragan/takes,georgeyanev/takes,ikhvostenkov/takes,georgeyanev/takes,dalifreire/takes,pecko/takes