Update README.md

Author: uvalmsick

Backend/GetUserByRFID/README.md

@@ -1,5 +1,5 @@
 # Get an User by RFID
-If you scan a chayns® card, you obtain a RFID. This exampkle show, how to get the connected chayns® ID from the RFID.<br>
+If you scan a chayns® card, you obtain a RFID. This example show, how to get the connected chayns® ID from the RFID.<br>
 It is available in the following languages
 * [JavaScript](https://github.com/TobitSoftware/chayns-snippets/tree/master/Backend/GetUserByRFID/JavaScript.js) (Frontend)
 * [C#](https://github.com/TobitSoftware/chayns-snippets/tree/master/Backend/GetUserByRFID/C%23.cs)