diff --git a/html/changelogs/AutoChangeLog-pr-3921.yml b/html/changelogs/AutoChangeLog-pr-3921.yml
new file mode 100644
index 000000000000..62a45a2aa2cf
--- /dev/null
+++ b/html/changelogs/AutoChangeLog-pr-3921.yml
@@ -0,0 +1,4 @@
+author: Apogee-dev
+changes:
+  - {bugfix: the Derecho's missing APCs have been replaced}
+delete-after: true