fixed some comment typos
fixed some comment typos

ltagliamonte/elastalert,jetyang2005/elastalert,dvopsway/elastalert,Yelp/elastalert,rarescosma/elastalert,gbenoit79/elastalert,thomdixon/elastalert,jetyang2005/elastalert,jetyang2005/elastalert,rounds/elastalert,saltukalakus/elastalert,megancarney/elastalert,saltukalakus/elastalert,amoennin/elastalert,iamrudra/elastalert,mash0304/elastalert,kkoppel/elastalert,AlphaStaxLLC/elastalert,brianparry/elastalert,lytics/elastalert,rprabhat/elastalert