diff --git a/changelog.d/3924.misc b/changelog.d/3924.misc
new file mode 100644
index 0000000000..8d010e0bd9
--- /dev/null
+++ b/changelog.d/3924.misc
@@ -0,0 +1 @@
+Comments and interface cleanup for on_receive_pdu
\ No newline at end of file