diff --git a/marzipan/README.md b/marzipan/README.md
index 3ea7136..8957f7e 100644
--- a/marzipan/README.md
+++ b/marzipan/README.md
@@ -5,5 +5,5 @@
 
 * call the old script from the Rosenpass repository's root directory with `./analyze.sh`
 * call the new script:
-  * `nix shell`
+  * in `analyze_py/marzipan`: `nix shell`
   * `src/analyze.sh analyze $repo` where `$repo` is the absolute(?) path to the root directory of the Rosenpass repository.