diff --git a/docs/source/api_doc/validate/index.rst b/docs/source/api_doc/validate/index.rst
index 8693e245b20..54c3eb67d0b 100644
--- a/docs/source/api_doc/validate/index.rst
+++ b/docs/source/api_doc/validate/index.rst
@@ -17,6 +17,7 @@ imgutils.validate
     nsfw
     portrait
     rating
+    real
     style_age
     teen
     truncate