diff --git a/docs/hooks.md b/docs/hooks.md
index f87307550b..083a42151e 100644
--- a/docs/hooks.md
+++ b/docs/hooks.md
@@ -60,7 +60,7 @@ This hook will have the following environment variables set:
 Hooks are executed with the following environment variables set:
 
 - `MISE_ORIGINAL_CWD`: The directory that the user is in.
-- `MISE_PROJECT_DIR`: The root directory of the project.
+- `MISE_PROJECT_ROOT`: The root directory of the project.
 - `MISE_PREVIOUS_DIR`: The directory that the user was in before the directory change (only if a directory change occurred).
 
 ## Shell hooks