fixed a comment
fixed a comment

methane/MyKaze,MartinThoma/PyMySQL,modulexcite/PyMySQL,wraziens/PyMySQL,jheld/PyMySQL,wraziens/PyMySQL,PyMySQL/PyMySQL,boneyao/PyMySQL,pulsar314/Tornado-MySQL,Ting-y/PyMySQL,shaun-jss/PyMySQL_py3k,mosquito/CyMySQL,Geoion/Tornado-MySQL,PyMySQL/Tornado-MySQL,eibanez/PyMySQL,DashaChuk/PyMySQL,pymysql/pymysql,eibanez/PyMySQL,NunoEdgarGub1/PyMySQL,xjzhou/PyMySQL,yeyinzhu3211/PyMySQL,nju520/PyMySQL,nakagami/CyMySQL,mosquito/Tornado-MySQL,jwjohns/PyMySQL,lzedl/PyMySQL,lzedl/PyMySQL,yeyinzhu3211/PyMySQL,shaun-jss/PyMySQL_py3k,xjzhou/PyMySQL,aio-libs/aiomysql,methane/PyMySQL,anson-tang/PyMySQL