diff --git a/moltenbar b/moltenbar
index 73d94d7..9c98be4 100755
--- a/moltenbar
+++ b/moltenbar
@@ -37,16 +37,16 @@ class Worker
 	def kill()
 		begin
 			if Process.getpgid(@wpid) == Process.getpgid($$)
-				puts "Killing pid: #{@wpid}"
+				printf("Killing pid: %s\n", @wpid)
 				Process.kill("HUP", @wpid)
 			end
 		rescue Errno::ESRCH => err
-			puts "#{err}: #{@wpid}"
+			printf("%s: %s\n", err, @wpid)
 		end
 	end
 
 	def write(data)
-		@pipe_in.puts @name + "\0" + data
+		@pipe_in.printf("%s\0%s\n", @name, data)
 	end
 end
 
@@ -70,7 +70,7 @@ module Modules
 		@modules[name] = class_name
 	end
 
-	def self.get
+	def self.get()
 		return @modules
 	end
 end
@@ -97,7 +97,7 @@ def cleanup(workers)
 	exit(0)
 end
 
-def get_x_dims
+def get_x_dims()
 	return `xrandr`.scan(/current (\d+) x (\d+)/).flatten
 end
 
@@ -115,6 +115,11 @@ OptionParser.new do |opts|
 	opts.on("-cCONFIG_PATH", "--config=CONFIG_PATH", "Specify and alternative config location") do |v|
 		options[:config_file] = v
 	end
+
+	opts.on("-h", "--help", "Show this message") do
+		printf("%s", opts)
+		exit(0)
+	end
 end.parse!
 
 if ENV["XDG_CONFIG_HOME"] == nil
@@ -156,7 +161,7 @@ if config['geometry'] == nil
 		config['width'] = y.to_i - (gap * 2)
 	end
 
-	config['geometry'] = "#{config['width']}x#{config['height']}+#{gap}+#{gap}"
+	config['geometry'] = sprintf("%sx%s+%s+%s", config['width'], config['height'], gap, gap)
 end
 
 lemonbar_cmd = [
@@ -169,7 +174,7 @@ lemonbar_cmd = [
 	"-B", config['colours']['bg']
 ]
 
-puts "Launching lemonbar as: " + lemonbar_cmd.join(" ")
+printf("Launching lemonbar as:\n  %s\n", lemonbar_cmd.join(" "))
 
 IO.popen(lemonbar_cmd, "w+") do |pipe_lb|
 	pipe_lb.sync = true
@@ -183,6 +188,6 @@ IO.popen(lemonbar_cmd, "w+") do |pipe_lb|
 		panel_data[mod_name] = data
 
 		t = Template.new(config['format'])
-		pipe_lb.puts t.render(config, panel_data)
+		pipe_lb.printf("%s\n", t.render(config, panel_data))
 	end
 end