diff --git a/README.md b/README.md
index d6cfb95a3..892648a6e 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 
 Asynchronous web framework for [Actix](https://github.com/actix/actix).
 
+* [User Guide](http://actix.github.io/actix-web/guide/)
 * [API Documentation (Development)](http://actix.github.io/actix-web/actix_web/)
 * [API Documentation (Releases)](https://docs.rs/actix-web/)
 * Cargo package: [actix-web](https://crates.io/crates/actix-web)
diff --git a/guide/src/qs_2.md b/guide/src/qs_2.md
index 823f56941..d337038d6 100644
--- a/guide/src/qs_2.md
+++ b/guide/src/qs_2.md
@@ -83,3 +83,8 @@ fn main() {
     let _ = sys.run();
 }
 ```
+
+Note on `actix` crate. Actix web framework is built on top of actix actor library. 
+`actix::System` initializes actor system, `HttpServer` is an actor and must run within
+proper configured actix system. For more information please check
+[actix documentation](https://actix.github.io/actix/actix/)