diff --git a/README.md b/README.md
index f965976983bc5362490f731ce7a8102f92c2c7c9..8e0aa97c7d303940cf1521a0e98e75b63a17a824 100644
--- a/README.md
+++ b/README.md
@@ -80,4 +80,10 @@ Encountered errors while bringing up the project.
 You will need to use Windows Powershell (as Admin) and enter:
 ```bash
         $Env:COMPOSE_CONVERT_WINDOWS_PATHS=1
-```
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+```
+
+Potential issue with Firefox and being able to resolve localhost:
+https://www.reddit.com/r/sysadmin/comments/94r885/firefox_will_soon_be_sending_all_dns_requests_to/
+
+Fix (go to about:config in Firefox URL bar):
+change ```network.trr.mode=0``` to network.trr.mode=5```
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