diff --git a/baseDerivation.md b/baseDerivation.md
index 164a708fe..e238e4f4c 100644
--- a/baseDerivation.md
+++ b/baseDerivation.md
@@ -24,3 +24,5 @@ In case you have a multisignature wallet originally created from a hardware devi
   m/48'/0'/8'
 
 for a multisignature wallet, account 8.
+
+Finally, note that TREZOR use 1-based account numbers, so if your are trying for example to recover TREZOR multisig account #8, you should enter `m/48'/0'/7'`.