diff --git a/README.md b/README.md
index da1230e..2654796 100644
--- a/README.md
+++ b/README.md
@@ -167,7 +167,7 @@ Installation Path:
 
 # Add gobrew to your ~/.bashrc or ~/.zshrc
 export PATH="$HOME/.gobrew/current/bin:$HOME/.gobrew/bin:$PATH"
-export GOROOT="$HOME/.gobrew/current/go"
+export GOPATH="$HOME/.gobrew/current/go"
 ```
 
 # Uninstall gobrew
@@ -229,12 +229,10 @@ echo "export GOBREW_ROOT=/usr/local/share" >> ~/.zshrc
 curl -sLk https://raw.githubusercontent.com/kevincobain2000/gobrew/master/git.io.sh | sh
 ```
 
-Set `GOROOT` and `GOPATH` in your shell config file (`.bashrc` or `.zshrc`).
+Set `GOPATH` in your shell config file (`.bashrc` or `.zshrc`).
 
 ```sh
 # optionally set
-export GOROOT="$HOME/.gobrew/current/go"
-# optionally set
 export GOPATH="$HOME/.gobrew/current/go"
 ```
 
diff --git a/cmd/gobrew/main_unix.go b/cmd/gobrew/main_unix.go
index fa0816f..fbc41d4 100644
--- a/cmd/gobrew/main_unix.go
+++ b/cmd/gobrew/main_unix.go
@@ -5,6 +5,6 @@ package main
 const usageMsg string = `
     # Add gobrew to your ~/.bashrc or ~/.zshrc
     export PATH="$HOME/.gobrew/current/bin:$HOME/.gobrew/bin:$PATH"
-    export GOROOT="$HOME/.gobrew/current/go"
+    export GOPATH="$HOME/.gobrew/current/go"
 
 `
diff --git a/cmd/gobrew/main_windows.go b/cmd/gobrew/main_windows.go
index e783409..a35cc4c 100644
--- a/cmd/gobrew/main_windows.go
+++ b/cmd/gobrew/main_windows.go
@@ -5,6 +5,6 @@ package main
 const usageMsg string = `
     # Add gobrew to your environment variables
     PATH="%USERPROFILE%\.gobrew\current\bin;%USERPROFILE%\.gobrew\bin;%PATH%"
-    GOROOT="%USERPROFILE%\.gobrew\current\go"
+    GOPATH="%USERPROFILE%\.gobrew\current\go"
 
 `