diff --git a/docs/index.rst b/docs/index.rst
index 5d6f0f2..83b72a3 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -14,6 +14,7 @@ Welcome to dargs's documentation!
    sphinx
    dpgui
    nb
+   json_schema
    api/api
    credits
 
diff --git a/docs/json_schema.md b/docs/json_schema.md
index e7c1803..878e2dc 100644
--- a/docs/json_schema.md
+++ b/docs/json_schema.md
@@ -1,6 +1,6 @@
 ## Generate JSON schema from an argument
 
-One can use {func}`dargs.json_schema_generate_json_schema` to generate [JSON schema](https://json-schema.org/).
+One can use {func}`dargs.json_schema.generate_json_schema` to generate [JSON schema](https://json-schema.org/).
 
 ```py
 import json