diff --git a/gor/gor.go b/gor/gor.go
index 8898d4f..d0ff76b 100644
--- a/gor/gor.go
+++ b/gor/gor.go
@@ -17,10 +17,6 @@ import (
 	"github.com/buger/gor"
 )
 
-const (
-	VERSION = "0.7"
-)
-
 var (
 	mode       string
 	cpuprofile = flag.String("cpuprofile", "", "write cpu profile to file")
@@ -37,7 +33,7 @@ func main() {
 		}
 	}()
 
-	fmt.Println("Version:", VERSION)
+	fmt.Println("Version:", gor.VERSION)
 
 	flag.Parse()
 	gor.InitPlugins()
diff --git a/input_dummy.go b/input_dummy.go
index 3a2a0b6..9e72ea5 100644
--- a/input_dummy.go
+++ b/input_dummy.go
@@ -25,7 +25,7 @@ func (i *DummyInput) Read(data []byte) (int, error) {
 }
 
 func (i *DummyInput) emit() {
-	ticker := time.NewTicker(200 * time.Millisecond)
+	ticker := time.NewTicker(time.Second)
 
 	for {
 		select {
diff --git a/settings.go b/settings.go
index 5a1a97d..bd86c58 100644
--- a/settings.go
+++ b/settings.go
@@ -2,7 +2,13 @@ package gor
 
 import (
 	"flag"
+	"fmt"
 	"log"
+	"os"
+)
+
+const (
+	VERSION = "0.7.0"
 )
 
 type AppSettings struct {
@@ -28,25 +34,33 @@ type AppSettings struct {
 
 var Settings AppSettings = AppSettings{}
 
+func usage() {
+	fmt.Printf("Gor is a simple http traffic replication tool written in Go. Its main goal is to replay traffic from production servers to staging and dev environments.\nProject page: https://github.com/buger/gor\nAuthor: <Leonid Bugaev> leonsbox@gmail.com\nCurrent Version: %s\n\n", VERSION)
+	flag.PrintDefaults()
+	os.Exit(2)
+}
+
 func init() {
-	flag.BoolVar(&Settings.verbose, "verbose", false, "")
+	flag.Usage = usage
 
-	flag.BoolVar(&Settings.splitOutput, "split-output", false, "")
+	flag.BoolVar(&Settings.verbose, "verbose", false, "Turn on verbose/debug output")
 
-	flag.Var(&Settings.inputDummy, "input-dummy", "")
-	flag.Var(&Settings.outputDummy, "output-dummy", "")
+	flag.BoolVar(&Settings.splitOutput, "split-output", false, "By default each output gets same traffic. If set to `true` it splits traffic equally among all outputs.")
 
-	flag.Var(&Settings.inputTCP, "input-tcp", "")
-	flag.Var(&Settings.outputTCP, "output-tcp", "")
+	flag.Var(&Settings.inputDummy, "input-dummy", "Used for testing outputs. Emits 'Get /' request every 1s")
+	flag.Var(&Settings.outputDummy, "output-dummy", "Used for testing inputs. Just prints data coming from inputs.")
 
-	flag.Var(&Settings.inputFile, "input-file", "")
-	flag.Var(&Settings.outputFile, "output-file", "")
+	flag.Var(&Settings.inputTCP, "input-tcp", "Used for internal communication between Gor instances. Example: \n\t# Receive requests from other Gor instances on 28020 port, and redirect output to staging\n\tgor --input-tcp :28020 --output-http staging.com")
+	flag.Var(&Settings.outputTCP, "output-tcp", "Used for internal communication between Gor instances. Example: \n\t# Listen for requests on 80 port and forward them to other Gor instance on 28020 port\n\tgor --input-raw :80 --output-tcp replay.local:28020")
 
-	flag.Var(&Settings.inputRAW, "input-raw", "")
+	flag.Var(&Settings.inputFile, "input-file", "Read requests from file: \n\tgor --input-file ./requests.gor --output-http staging.com")
+	flag.Var(&Settings.outputFile, "output-file", "Write incoming requests to file: \n\tgor --input-raw :80 --output-file ./requests.gor")
 
-	flag.Var(&Settings.outputHTTP, "output-http", "")
-	flag.Var(&Settings.outputHTTPHeaders, "output-http-header", "")
-	flag.StringVar(&Settings.outputHTTPElasticSearch, "output-http-elasticsearch", "", "")
+	flag.Var(&Settings.inputRAW, "input-raw", "Capture traffic from given port (use RAW sockets and require *sudo* access):\n\t# Capture traffic from 8080 port\n\tgor --input-raw :8080 --output-http staging.com")
+
+	flag.Var(&Settings.outputHTTP, "output-http", "Forwards incoming requests to given http address.\n\t# Redirect all incoming requests to staging.com address \n\tgor --input-raw :80 --output-http http://staging.com")
+	flag.Var(&Settings.outputHTTPHeaders, "output-http-header", "Inject additional headers to http reqest:\n\tgor --input-raw :8080 --output-http staging.com --output-http-header 'User-Agent: Gor'")
+	flag.StringVar(&Settings.outputHTTPElasticSearch, "output-http-elasticsearch", "", "Send request and response stats to ElasticSearch:\n\tgor --input-raw :8080 --output-http staging.com --output-http-elasticsearch 'es_host:api_port/index_name'")
 }
 
 func Debug(args ...interface{}) {