 Issue 19:  Fix manpage warning 
 Issue 19:  Fix manpage warning 

0x37N0w4N/slowhttptest,mentesc/slowhttptest,yeahdongcn/slowhttptest,jengyic/slowhttptest,Chigirin/slowhttptest,mentesc/slowhttptest,tectronics/slowhttptest,jack-ju/slowhttptest,a12689851/slowhttptest,mfazliazran/slowhttptest,0x37N0w4N/slowhttptest,jack-ju/slowhttptest,mfazliazran/slowhttptest,jengyic/slowhttptest,a12689851/slowhttptest,Chigirin/slowhttptest,yeahdongcn/slowhttptest,tectronics/slowhttptest