diff --git a/NEON-CUSTOMIZATIONS.md b/NEON-CUSTOMIZATIONS.md
index a9dce6a..c7d4037 100644
--- a/NEON-CUSTOMIZATIONS.md
+++ b/NEON-CUSTOMIZATIONS.md
@@ -88,8 +88,8 @@ and space use:
   was once installed with DKMS, together with unloading `cdc_ether` /
   `cdc_ncm` / `cdc_mbim` and testing with `iperf3` against `pet630`,
   MTU 9000 and `ethtool -K` offloads. It was **later removed**
-  (`sudo ./dkms-remove.sh`), around a kernel upgrade that it probably
-  broke. `dkms status` is empty now, so the adapter gets the in-kernel
+  (`sudo ./dkms-remove.sh`) because it failed to build against the 7.x
+  kernels (confirmed by matt, 2026-09-27). `dkms status` is empty now, so the adapter gets the in-kernel
   driver. The MTU and offload tweaks were runtime-only and aren't
   persisted anywhere.
 - **Tailscale** is installed (repo in `tailscale.list`) but