Fix an expression along with review comment and remove English for comparison
Fix an expression along with review comment and remove English for comparison

sdebnath/riak_cs,dragonfax/riak_cs,GabrielNicolasAvellaneda/riak_cs,laurenrother/riak_cs,yangchengjian/riak_cs,laurenrother/riak_cs,sdebnath/riak_cs,basho/riak_cs,GabrielNicolasAvellaneda/riak_cs,sdebnath/riak_cs,basho/riak_cs,basho/riak_cs,yangchengjian/riak_cs,GabrielNicolasAvellaneda/riak_cs,laurenrother/riak_cs,sdebnath/riak_cs,yangchengjian/riak_cs,basho/riak_cs,laurenrother/riak_cs,dragonfax/riak_cs,GabrielNicolasAvellaneda/riak_cs,dragonfax/riak_cs,dragonfax/riak_cs,yangchengjian/riak_cs