diff --git a/readme.md b/readme.md
index 6d21aab..41fcd8a 100644
--- a/readme.md
+++ b/readme.md
@@ -4,6 +4,14 @@
 - `ghostscript`
 - `zola` (optional)
 
+The makefile uses Docker with the official iamge `chordpro/chordpro:latest`.
+It can be seamlesly integrated with a shell alias in case you want to use
+chordpro directly in your shell outside of make:
+
+```
+alias chordpro="docker run -ti --rm --env HOME=\$HOME --env USER=\$USER --workdir \$(pwd) --volume \$HOME:\$HOME chordpro/chordpro:latest chordpro"
+```
+
 ## Building
 
 `make` defaults to `all` which builds individual PDF and HTML files for