Update README.md

README.md

@@ -30,13 +30,15 @@ blcheck [options] <domain\_or\_IP>
 Supplied domain must be full qualified domain name.
 If the IP is supplied, the PTR check cannot be executed and will be skipped.
 
+<pre>
 -d dnshost  Use host as DNS server to make lookups
 -l file     Load blacklists from file, separated by space or new line
 -c          Warn if the top level domain of the blacklist has expired
 -v          Verbose mode, can be used multiple times (up to -vvv)
 -q          Quiet modem with absolutely no output (useful for scripts)
 -p          Plain text output (no coloring, no interactive status)
 -h          The help you are just reading
+</pre>
 
 Result of the script is the number of blacklisted entries. So if the supplied
 IP is not blacklisted on any of the servers the result is 0.