diff --git a/Example/TrustSDK/ViewController.swift b/Example/TrustSDK/ViewController.swift
index 3cf130c..f50a1af 100644
--- a/Example/TrustSDK/ViewController.swift
+++ b/Example/TrustSDK/ViewController.swift
@@ -33,7 +33,7 @@ class ViewController: UIViewController {
 
     func setupSignMessageButton() {
         let data = Data("Some message".utf8)
-        let message = Data("\u{19}Ethereum Signed Message:\n\(data.count)".utf8)
+        let message = Data("\u{19}Ethereum Signed Message:\n\(data.count)".utf8) + data
         let hash = message.sha3(.keccak256)
 
         signMesageButton.apply(theme: TrustButtonTheme
diff --git a/README.md b/README.md
index 62f46e3..1c18b03 100644
--- a/README.md
+++ b/README.md
@@ -95,7 +95,7 @@ To request signing message, you have to encode or hash your message in hex-encod
 
 ```swift
 let data = Data("Some message".utf8)
-let message = Data("\u{19}Ethereum Signed Message:\n\(data.count)".utf8)
+let message = Data("\u{19}Ethereum Signed Message:\n\(data.count)".utf8) + data
 let hash = message.sha3(.keccak256)
 TrustSDK.signers.ethereum.sign(message: hash) { result in
     switch result {