corrected /prefix description in the help.txt
corrected /prefix description in the help.txt

golovnin/wildfly,wildfly/wildfly,rhusar/wildfly,pferraro/wildfly,99sono/wildfly,xasx/wildfly,pferraro/wildfly,tomazzupan/wildfly,xasx/wildfly,xasx/wildfly,jstourac/wildfly,golovnin/wildfly,golovnin/wildfly,jstourac/wildfly,tadamski/wildfly,wildfly/wildfly,tomazzupan/wildfly,jstourac/wildfly,jstourac/wildfly,iweiss/wildfly,wildfly/wildfly,99sono/wildfly,iweiss/wildfly,tadamski/wildfly,iweiss/wildfly,rhusar/wildfly,tadamski/wildfly,tomazzupan/wildfly,wildfly/wildfly,pferraro/wildfly,iweiss/wildfly,99sono/wildfly,rhusar/wildfly,pferraro/wildfly,rhusar/wildfly