diff --git a/content/changelogs/README-grml-2026.04/index.md b/content/changelogs/README-grml-2026.04/index.md
index a3fe700..c1722fe 100644
--- a/content/changelogs/README-grml-2026.04/index.md
+++ b/content/changelogs/README-grml-2026.04/index.md
@@ -23,8 +23,9 @@ About [the codename]({{< ref "faq#releasename" >}}).
 ### Important changes
 
 * This release is based on Debian testing/forky as of April 2026.
-* BIOS boot uses GRUB2 instead of ISOLINUX ([grml/grml-live#459](https://github.com/grml/grml-live/pull/459))
-* `en_DK.UTF-8` is used as new default for LC_TIME ([grml/grml-live#265](https://github.com/grml/grml-live/issue/265), [grml/grml-live#276](https://github.com/grml/grml-live/issue/276), [grml/grml-live#482](https://github.com/grml/grml-live/pull/482))
+* `en_DK.UTF-8` is used as new default for LC_TIME ([grml/grml#265](https://github.com/grml/grml/pull/265), [grml/grml#276](https://github.com/grml/grml/issues/276), [grml/grml-live#482](https://github.com/grml/grml-live/pull/482))
+* BIOS boot uses GRUB2 instead of ISOLINUX ([grml/grml-live#459](https://github.com/grml/grml-live/pull/459)). \
+  To successfully install this release on USB media, update `grml2usb` to at least version 0.20.13 (or use the `dd(1)` method). You should drop grml2usb's `--syslinux` parameter &mdash; the ISOs solely support GRUB2 for booting.
 
 ### New and removed features
 
@@ -36,10 +37,8 @@ New software since the Grml 2025.12 release is included, and we continued to cle
 
 Detailed changes: [grml-live v0.55.1 to v0.56.0](https://github.com/grml/grml-live/compare/v0.55.1...v0.56.0) [[^1]]
 
-[^1]: [1]: Note, that when comparing the changes between [grml-live v0.55.1 to v0.56.0](https://github.com/grml/grml-live/compare/v0.55.1...v0.56.0) it includes all commits from grml-scripts.
-    To only list the changes from grml-live v0.55.1 to v0.56.0 use the following git command to exclude all commits from grml-scripts which were created before grml-live v0.55.1 was released.
-
-    `git log --oneline --no-merges --after "2025-12-11 18:41:18 +0100"`
+[^1]: [1]: Note, when comparing changes between [grml-live v0.55.1 and v0.56.0](https://github.com/grml/grml-live/compare/v0.55.1...v0.56.0) all commits from grml-scripts are included.
+    To list just the changes from grml-live v0.55.1 to v0.56.0, use the following command to exclude all grml-scripts commits created before grml-live v0.55.1 was released: `git log --oneline --no-merges --after "2025-12-11 18:41:18 +0100"`
 
 #### [grml-debootstrap](https://github.com/grml/grml-debootstrap) - Debian system install tool: