diff --git a/script/bootstrap b/script/bootstrap
index 8473336f..bed40c44 100755
--- a/script/bootstrap
+++ b/script/bootstrap
@@ -1,3 +1,8 @@
-#!/bin/bash
+#!/usr/bin/env bash
+# Usage: bootstrap
+#
+# Install all dependencies
+#
+# Author: Jingwen Owen Ou
 
 go get github.com/kr/godep
diff --git a/script/build b/script/build
index 49e5c4fe..b28848dc 100755
--- a/script/build
+++ b/script/build
@@ -1,4 +1,9 @@
-#!/bin/bash
+#!/usr/bin/env bash
+# Usage: build
+#
+# Run go build with godep
+#
+# Author: Jingwen Owen Ou
 
 script/bootstrap
 godep go build -o gh
diff --git a/script/fmt b/script/fmt
index c55d90bc..c80d8383 100755
--- a/script/fmt
+++ b/script/fmt
@@ -1,3 +1,8 @@
-#!/bin/bash
+#!/usr/bin/env bash
+# Usage: build
+#
+# Run go fmt with godep
+#
+# Author: Jingwen Owen Ou
 
 godep go fmt ./...
diff --git a/script/install b/script/install
index 8510f787..5280f315 100755
--- a/script/install
+++ b/script/install
@@ -1,4 +1,9 @@
-#!/bin/bash
+#!/usr/bin/env bash
+# Usage: install
+#
+# Run go install with godep
+#
+# Author: Jingwen Owen Ou
 
 script/bootstrap
 godep go install
diff --git a/script/package b/script/package
index c44870ad..1f40d2a3 100755
--- a/script/package
+++ b/script/package
@@ -1,4 +1,9 @@
-#!/bin/bash
+#!/usr/bin/env bash
+# Usage: make
+#
+# Package gh for release
+#
+# Author: Jingwen Owen Ou
 
 go get github.com/kr/godep
 go get github.com/jingweno/gotask
diff --git a/script/test b/script/test
index 4ca2f69b..91902290 100755
--- a/script/test
+++ b/script/test
@@ -1,4 +1,9 @@
-#!/bin/bash
+#!/usr/bin/env bash
+# Usage: build
+#
+# Run go test with godep
+#
+# Author: Jingwen Owen Ou
 
 go get code.google.com/p/go.tools/cmd/cover
 script/fmt