diff --git a/changelog.d/3712.misc b/changelog.d/3712.misc
new file mode 100644
index 0000000000000000000000000000000000000000..30f8c2af21c0df9eed24b724b4404f63795f1a56
--- /dev/null
+++ b/changelog.d/3712.misc
@@ -0,0 +1 @@
+Update admin register API documentation to reference a real user ID.