diff --git a/index.js b/index.js
index 8caf61a..062ba8a 100644
--- a/index.js
+++ b/index.js
@@ -14,6 +14,7 @@ program
     .option('-t, --type [value]', 'http|https,http for default')
     .option('-p, --port [value]', 'proxy port, 8001 for default')
     .option('-c, --clear', 'clear all the tmp certificates')
+    .option('-h, --help', 'print help info')
     .parse(process.argv);
 
 var PROXY_PORT    = program.port || 8001,
@@ -27,6 +28,10 @@ if(program.clear){
         console.log("certificates cleared");
         process.exit(0);
     });
+
+}else if(program.help){
+    program.help();
+    
 }else{
     var serverMgrInstance = new serverMgr(),
         httpProxyServer;
diff --git a/lib/createCert.js b/lib/createCert.js
index d427741..5b7fa66 100644
--- a/lib/createCert.js
+++ b/lib/createCert.js
@@ -1,3 +1,4 @@
+//TODO : move to the tmp/ dir
 var exec      = require('child_process').exec;
 
 module.exports = function(hostname,callback){