From f246043b6989b6b12ef9b96969fab9326391ddf2 Mon Sep 17 00:00:00 2001
From: Axel Galicia <axelgalicia@gmail.com>
Date: Sat, 2 Feb 2019 20:45:30 +0000
Subject: [PATCH] [GH-2293]-Adding clarification of how data needs to be prefix
 before the UTF-8 HEX

---
 docs/web3-eth-personal.rst | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/web3-eth-personal.rst b/docs/web3-eth-personal.rst
index ad03ac2154f..cd272a57789 100644
--- a/docs/web3-eth-personal.rst
+++ b/docs/web3-eth-personal.rst
@@ -84,7 +84,9 @@ sign
 
     web3.eth.personal.sign(dataToSign, address, password [, callback])
 
-Signs data using a specific account.
+Signs data using a specific account. This data is before UTF-8 HEX decoded and enveloped as follows: ``"\x19Ethereum Signed Message:\n" + message.length + message``.
+
+
 
 .. note:: Sending your account password over an unsecured HTTP RPC connection is highly unsecure.