diff --git a/doc/ethapp.asc b/doc/ethapp.asc
index 1df3372..b3c01fc 100644
--- a/doc/ethapp.asc
+++ b/doc/ethapp.asc
@@ -520,7 +520,7 @@ The following standard Status Words are returned for all APDUs - some specific S
 |===============================================================================================
 | *SW*     | *Description*
 |   6501   | TransactionType not supported
-|   6502   | Output buffer too small for snprintf input
+|   6502   | Output buffer too small for chainId conversion
 |   6503   | Plugin error
 |   6504   | Failed to convert from int256
 |   6700   | Incorrect length