diff --git a/Users/Install.rst b/Users/Install.rst
index 195ef4cb..79f7ec74 100644
--- a/Users/Install.rst
+++ b/Users/Install.rst
@@ -183,6 +183,7 @@ virtualenv with:
 
 Using coala With Docker
 =======================
+Don't know what docker is? Have a look at `What is Docker? <http://docs.coala.io/en/latest/Users/Docker_Image.html>`_
 
 Use this installation method if you *just simply want to use coala*.