Minor documentation changes
Minor documentation changes

bmswgnp/mlpack,palashahuja/mlpack,datachand/mlpack,darcyliu/mlpack,palashahuja/mlpack,trungda/mlpack,stereomatchingkiss/mlpack,Azizou/mlpack,minhpqn/mlpack,chenmoshushi/mlpack,lezorich/mlpack,bmswgnp/mlpack,stereomatchingkiss/mlpack,palashahuja/mlpack,erubboli/mlpack,chenmoshushi/mlpack,ranjan1990/mlpack,thirdwing/mlpack,theranger/mlpack,datachand/mlpack,ersanliqiao/mlpack,ranjan1990/mlpack,thirdwing/mlpack,BookChan/mlpack,lezorich/mlpack,lezorich/mlpack,bmswgnp/mlpack,darcyliu/mlpack,ajjl/mlpack,ersanliqiao/mlpack,ranjan1990/mlpack,darcyliu/mlpack,stereomatchingkiss/mlpack,ajjl/mlpack,Azizou/mlpack,chenmoshushi/mlpack,minhpqn/mlpack,theranger/mlpack,erubboli/mlpack,ajjl/mlpack,datachand/mlpack,minhpqn/mlpack,erubboli/mlpack,thirdwing/mlpack,trungda/mlpack,ersanliqiao/mlpack,BookChan/mlpack,BookChan/mlpack,Azizou/mlpack,theranger/mlpack,trungda/mlpack