diff --git a/README.md b/README.md
index 0298c02..7f217c0 100644
--- a/README.md
+++ b/README.md
@@ -275,7 +275,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
-* **31.05.24:** - Rebase to Alpine 3.20.
+* **31.05.24:** - Rebase to Alpine 3.20. Existing users should update their nginx confs to avoid http2 deprecation warnings.
 * **05.03.24:** - Rebase to Alpine 3.19 with php 8.3.
 * **25.05.23:** - Rebase to Alpine 3.18, deprecate armhf.
 * **16.01.23:** - Remove nchan module because it keeps causing crashes.
diff --git a/readme-vars.yml b/readme-vars.yml
index a1d379d..033b8ad 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -31,7 +31,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
-  - { date: "31.05.24:", desc: "Rebase to Alpine 3.20."}
+  - { date: "31.05.24:", desc: "Rebase to Alpine 3.20. Existing users should update their nginx confs to avoid http2 deprecation warnings."}
   - { date: "05.03.24:", desc: "Rebase to Alpine 3.19 with php 8.3."}
   - { date: "25.05.23:", desc: "Rebase to Alpine 3.18, deprecate armhf." }
   - { date: "16.01.23:", desc: "Remove nchan module because it keeps causing crashes." }