Readme

README.md

@@ -33,7 +33,7 @@ TegKeychain.getData("my key")
 
 ## Demo app
 
-<img src="https://raw.githubusercontent.com/exchangegroup/keychain-swift/master/graphics/keychain-swift-demo.png" alt="Sacing and reading text from Keychaing in iOS and Swift">
+<img src="https://raw.githubusercontent.com/exchangegroup/keychain-swift/master/graphics/keychain-swift-demo.png" alt="Sacing and reading text from Keychaing in iOS and Swift" width="320">
 
 ### Reference