diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
index e69de29..90c6a2e 100644
--- a/doc/DISCLAIMER.md
+++ b/doc/DISCLAIMER.md
@@ -0,0 +1,3 @@
+#### upgrade
+
+Backdrop CMS includes an update utility to handle any necessary changes to the database schema or configuration. [See instructions](https://backdropcms.org/upgrade)