Change from note to warning

Martin D. Weinberg · Martin D. Weinberg · commit 921a24d3122c · 2025-07-25T12:48:35.000-04:00
diff --git a/pybind11.rst b/pybind11.rst
@@ -31,8 +31,7 @@ Index to pyEXP classes
 
 .. only:: rtd
 
-   .. warn::
-
+   .. warning::
       The Python API documentation can not be generated in the
       **ReadTheDocs** environment owing to memory and runtime
       limitations.  You can find these webpages that include the full
