Update README.md

Author: ClarkFieseln

README.md

@@ -1,11 +1,11 @@
 # AC4QGP
-Chat using „enhanced“ end-to-end-enryption and modulation of audio signal in isolated device, ensuring privacy, anonymity and cybersecurity.
+Chat using „enhanced“ end-to-end-enryption and modulation of audio signal in isolated device, ensuring privacy, anonymity and cybersecurity.
 
 [Article in Code Project](https://www.codeproject.com/Articles/_TODO_ADD_PATH_HERE_/AC4QGP "AC4QGP Article in Code Project")
 
 ## AC4QGP - Continue using your favorite Chat-Application but keeping your privacy!
 
-![plot](./img/app2.jpg)
+![plot](./img/app2.JPG)
 
 ## AC4QGP - Main Window