diff --git a/README.md b/README.md
index c2c97a1..ff4dcc2 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # img2ascii
 Image to ASCII-Converter
+
+# build instructions
+
+execute `stack build`. Result is then in your `.stack-work/dist/$system/$cabal/build/img2ascii/` folder. Replace `$system` and `$cabal` according to your installation.