diff --git a/README.md b/README.md
index 62471bf3..59b1c83c 100644
--- a/README.md
+++ b/README.md
@@ -122,10 +122,11 @@ Refer to [PLUGINS.md](PLUGINS.md) if you would like to write a plugin.
 Troubleshooting
 --------
 
-### App repeatedly opens the Frontier's authentication website
+### App repeatedly opens the Frontier authentication website
 The authentication didn't complete correctly for some reason. This can be caused by:
 
 - Using Internet Explorer. IE is [known](https://blogs.msdn.microsoft.com/ieinternals/2011/07/13/understanding-protocols/) to be broken. Please (temporarily) set your default browser to Edge, Chrome or Firefox and retry.
+- Incorrect protocol association in Firefox. Change Options → Applications → edmc to "Use EDMarketConnector.exe **(default)**".
 - Entering credentials for a different Cmdr - see [Error: Wrong Cmdr](#error-wrong-cmdr).
 - Entering Steam credentials instead of Frontier credentials - see [Error: User not found](#error-user-not-found).