diff --git a/docs/development/index.md b/docs/development/index.md
index 893ca176211977bd1542d75bc7edb4c036f8e4e4..c1bf2ce92781c36e58fa2b10aab559efc1bd8416 100644
--- a/docs/development/index.md
+++ b/docs/development/index.md
@@ -9,6 +9,12 @@ You can clone the source repository from https://gitlab.opengeosys.org/ogs/tools
 
 # Development environment
 
+Change into the directory with the cloned ogstools sources. (`.` assumes that your working directory contains the ogstools sources, the directory where you find the `pyproject.toml`).
+
+```bash
+cd ogstools
+```
+
 Create a virtual environment, activate it and install required packages:
 
 ```bash