diff --git a/docs/source/config_reference/config_yaml.rst b/docs/source/config_reference/config_yaml.rst
index 37e9c158..2acce069 100644
--- a/docs/source/config_reference/config_yaml.rst
+++ b/docs/source/config_reference/config_yaml.rst
@@ -50,7 +50,13 @@ to
 
 experimental
 ------------
-TODO(jessebannon) fill out
+Experimental flags reside under the ``experimental`` key:
+
+   .. code-block:: yaml
+
+      configuration:
+        experimental:
+          enable_update_with_info_json: True
 
 ``enable_update_with_info_json``
 
diff --git a/src/ytdl_sub/config/config_validator.py b/src/ytdl_sub/config/config_validator.py
index c9259809..abcb0e24 100644
--- a/src/ytdl_sub/config/config_validator.py
+++ b/src/ytdl_sub/config/config_validator.py
@@ -25,7 +25,13 @@ from ytdl_sub.validators.validators import StringValidator
 
 class ExperimentalValidator(StrictDictValidator):
     """
-    TODO(jessebannon) fill out
+    Experimental flags reside under the ``experimental`` key:
+
+       .. code-block:: yaml
+
+          configuration:
+            experimental:
+              enable_update_with_info_json: True
     """
 
     _optional_keys = {"enable_update_with_info_json"}