diff --git a/mmengine/config/config.py b/mmengine/config/config.py
index 1fe0a9ec24..f85795066a 100644
--- a/mmengine/config/config.py
+++ b/mmengine/config/config.py
@@ -444,6 +444,8 @@ def fromfile(filename: Union[str, Path],
                 predefined variables. Defaults to True.
             import_custom_modules (bool, optional): Whether to support
                 importing custom modules in config. Defaults to None.
+            use_environment_variables (bool, optional): Whether to use
+                environment variables. Defaults to True.
             lazy_import (bool): Whether to load config in `lazy_import` mode.
                 If it is `None`, it will be deduced by the content of the
                 config file. Defaults to None.
@@ -831,6 +833,8 @@ def _file2dict(
             filename (str): Name of config file.
             use_predefined_variables (bool, optional): Whether to use
                 predefined variables. Defaults to True.
+            use_environment_variables (bool, optional): Whether to use
+                environment variables. Defaults to True.
             lazy_import (bool): Whether to load config in `lazy_import` mode.
                 If it is `None`, it will be deduced by the content of the
                 config file. Defaults to None.