Fix README typo
Fix README typo

Closes #285

Yhgenomics/hiredis,owent-contrib/hiredis,jqk6/hiredis,hidebug/hiredis,tattsun/hiredis,arinal/hiredis,rangan337/hiredis,galdor/hiredis,owent-contrib/hiredis,redis/hiredis,jinguoli/hiredis,thomaslee/hiredis,jinguoli/hiredis,nokiddin/hiredis,redis/hiredis,liulingfree/hiredis,tattsun/hiredis,xjzhou/hiredis,olgeni/hiredis,badboy/hiredis-win,xjzhou/hiredis,redis/hiredis,Yhgenomics/hiredis,h1048576/hiredis,picrin/redisSamples,charsyam/hiredis,thomaslee/hiredis,jinguoli/hiredis,chenlicong0821/hiredis,galdor/hiredis,chenlicong0821/hiredis,hidebug/hiredis,olgeni/hiredis,charsyam/hiredis,liulingfree/hiredis,yiliaofan/hiredis,rangan337/hiredis