Fixed typos and improved usage/Frequent-Issues.md

usage/Frequent-Issues.md

@@ -1,11 +1,11 @@
 ## Run Configuration Bug 
-Due to IntelliJ version differences and usage on Windows vs. Mac OS, the run configurations show problems, sometimes. Change the *classpath or module* under `Edit configurations...` back to the Chat Overflow root module, and everything should be fine.
+Due to IntelliJ version differences as well as differences on platforms (e.g. Windows vs. Mac OS) the run configurations could show problems. If this error occurs, change the `classpath or module` setting under `Edit configurations...` back to the Chat Overflow root module. Now everything should be working fine again.
 
 ## Credentials value encrypted with wrong auth key
 ![](/img/usage/value-encrypted-wrong-key.png)  
 ```
 ERROR configuration.CryptoUtil$  - Your environment does not work with AES256.Please update your java runtime version to at least: 1.8.0_161
 ```
 If you see this image or error message you are probably running on an old java version that doesn't work with AES 256 bit encryption.  
-Please follow the instructions from the error message and update java to at least `1.8.0_161`.  
-More information about the issue can be found [on stackoverflow.com](https://stackoverflow.com/questions/3862800/invalidkeyexception-illegal-key-size).
+To fix this error you have to update java to at least `1.8.0_161`.  
+More information about this issue can be found [on stackoverflow.com](https://stackoverflow.com/questions/3862800/invalidkeyexception-illegal-key-size).