diff --git a/README.md b/README.md
index 0c47c60..80733dd 100644
--- a/README.md
+++ b/README.md
@@ -168,4 +168,5 @@ You might also be able to discuss your problem through Internet Relay Chat (IRC)
 
 ### Known issues
 1. Changing your system time while Syncplay is running confuses the sync. PROTIP: Don't do it.
-2. In MPC-HC the 'Remember File position' feature will not work as expected if you are using Syncplay. If you want to save/load the file position when using Syncplay then use MPC-HC's built in Favorites feature.
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+2. In MPC-HC the 'Remember File position' feature will not work as expected if you are using Syncplay. If you want to save/load the file position when using Syncplay then use MPC-HC's built in Favorites feature.
+3. Connecting to port 8999 is disallowed in some firewall configurations. Check your firewall settings if you are experiencing problems connecting to a server.
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