diff --git a/changelog/10738.feature.rst b/changelog/10738.feature.rst
index 7c7b668dc..27bca301f 100644
--- a/changelog/10738.feature.rst
+++ b/changelog/10738.feature.rst
@@ -1 +1 @@
-Added ``PYTEST_TMPDIR_FILE_MASK`` environment variable which controls the file permissions of any files or directories created by the ``tmp_path`` fixtures.
+Added ``PYTEST_TMPDIR_FILE_MODE`` environment variable which controls the file permissions of any files or directories created by the ``tmp_path`` fixtures.