diff --git a/pluggy/multiple-hooks-same-file.md b/pluggy/multiple-hooks-same-file.md
index bd0fe23d90..24a239ff0b 100644
--- a/pluggy/multiple-hooks-same-file.md
+++ b/pluggy/multiple-hooks-same-file.md
@@ -24,3 +24,5 @@ def filters_from_request_2(request, database, datasette):
     # ...
 ```
 Which allows you to write more than one plugin implementation function in the same Python module file.
+
+Note that the `specname` feature requires [Pluggy 1.0.0](https://github.com/pytest-dev/pluggy/blob/main/CHANGELOG.rst#pluggy-100-2021-08-25) or higher.