diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -2,3 +2,13 @@
 
 For each reported driver sdl-try-drivers tries to create a renderer
 and reports success or failure with the catched exception.
+
+Should build out of the box with stack or cabal.
+
+For nix try
+
+    nix-build shell.nix
+
+and call
+
+    result/bin/sdl-try-drivers
diff --git a/sdl-try-drivers.cabal b/sdl-try-drivers.cabal
--- a/sdl-try-drivers.cabal
+++ b/sdl-try-drivers.cabal
@@ -1,6 +1,6 @@
 name: sdl-try-drivers
 author: Eric Wolf
-version: 0.0.0.1
+version: 0.0.0.2
 cabal-version: >=1.10
 build-type: Simple
 synopsis: small testing tool for sdl2 and accelerated drivers
@@ -13,6 +13,9 @@
   For each reported driver sdl-try-drivers tries to create a renderer
   and reports success or failure with the catched exception.
 
+source-repository head
+        type: git
+        location: https://github.com/typetetris/sdl-try-drivers
 
 executable sdl-try-drivers
         hs-source-dirs: .