diff --git a/Tailscale-1.12.md b/Tailscale-1.12.md
index 515632e..cbada77 100644
--- a/Tailscale-1.12.md
+++ b/Tailscale-1.12.md
@@ -13,6 +13,7 @@
 
 ## Linux
 - add MIPS64 binaries
+- print more useful error message from `tailscale up` if tailscaled is not running
 
 ## iOS