Add PyPy fix to changes file
diff --git a/CHANGES.current b/CHANGES.current
index f14dc24..a8975a0 100644
--- a/CHANGES.current
+++ b/CHANGES.current
@@ -7,6 +7,10 @@
 Version 4.1.0 (in progress)
 ===========================
 
+2022-05-07: KrisThielemans
+            [Python] Fix "too many initializers for 'PyHeapTypeObject'" errors
+            using PyPy 3.8 and later.
+
 2022-05-04: wsfulton
             [C#] Add C# wchar_t * director typemaps