diff --git a/docs/en/docs/how-to/separate-openapi-schemas.md b/docs/en/docs/how-to/separate-openapi-schemas.md
index 39d96ea39..d289391ca 100644
--- a/docs/en/docs/how-to/separate-openapi-schemas.md
+++ b/docs/en/docs/how-to/separate-openapi-schemas.md
@@ -199,6 +199,9 @@ Probably the main use case for this is if you already have some autogenerated cl
 
 In that case, you can disable this feature in **FastAPI**, with the parameter `separate_input_output_schemas=False`.
 
+!!! info
+    Support for `separate_input_output_schemas` was added in FastAPI `0.102.0`. 🤓
+
 === "Python 3.10+"
 
     ```Python hl_lines="10"