Apply suggestion from @matthewfeickert

Co-authored-by: Matthew Feickert <matthew.feickert@cern.ch>

Author: lwasser

package-structure-code/environment-managers.md

@@ -292,7 +292,7 @@ pixi add gdal
 # Run commands in the environment
 pixi run python script.py
 
-# Activate environment
+# Activate environment in an interactive shell
 pixi shell
 ```
 ```{note}