diff --git a/Windows/DoH/README.md b/Windows/DoH/README.md
index 0edfb8b5..0b6aa65c 100644
--- a/Windows/DoH/README.md
+++ b/Windows/DoH/README.md
@@ -17,6 +17,7 @@ Requires Windows 11.
   - Mullvad
   - Mullvad Adblock
   - Quad9 ECS (Windows 11 defaults include Quad9 default)
+  - TREX (actually points to Quad9 as per [their documentation](https://www.trex.fi/service/resolvers.html))
 
 ## Configuration