diff --git a/README.md b/README.md
index 40376fa..7eff1ea 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # Mock SAML from BoxyHQ
 
-Mock SAML is a SAML 2.0 IdP.
+Mock SAML is a SAML 2.0 IdP for development and testing the SAML SSO integration.
+
+## Install
 
 ```
 git clone https://github.com/boxyhq/mock-saml.git
@@ -27,3 +29,5 @@ npm run start
 ```
 
 Visit [http://localhost:4000/](http://localhost:4000/) to start the Mock SAML.
+
+## Environment Variables