diff --git a/LicheePi4A.md b/LicheePi4A.md
index b6a0b2b..a504985 100644
--- a/LicheePi4A.md
+++ b/LicheePi4A.md
@@ -37,6 +37,8 @@ Currently I'm typing to Firefox running on this LicheePi 4A, logged into Locals.
 
 Updating to newer kernel messes up drivers, so do not `apt upgrade` or `apt dist-upgrade`. Only do `apt update`, and install only minimal required packages, because internal 8 GB drive is very small.
 
+Messing up usually requires reinstall.
+
 ## Firefox sometimes segfaults
 
 So maybe use some other computer for Firefox.