Updated irc.lua; change the output of required....

args to make the fact that you need a nickname more prominent

src/main/resources/assets/opencomputers/loot/OpenIRC/irc.lua

@@ -17,7 +17,7 @@ local text = require("text")
 
 local args, options = shell.parse(...)
 if #args < 1 then
-  print("Usage: irc nickname [server:port]")
+  print("Usage: irc <nickname> [server:port]")
   return
 end
 
@@ -457,4 +457,4 @@ end
 if not result then
   error(reason, 0)
 end
-return reason
+return reason