Update README

Author: somenkovnikita

README.md

@@ -34,7 +34,7 @@ pod 'SPQRCode'
 
 ### Manually
 
-If you prefer not to use any of dependency managers, you can integrate manually. Put `Sources/SPSafeSymbols` folder in your Xcode project. Make sure to enable `Copy items if needed` and `Create groups`.
+If you prefer not to use any of dependency managers, you can integrate manually. Put `Sources/SPQRCode` folder in your Xcode project. Make sure to enable `Copy items if needed` and `Create groups`.
 
 ## Usage