diff --git a/nix/README.md b/nix/README.md
index 77bad0fa..f8537d54 100644
--- a/nix/README.md
+++ b/nix/README.md
@@ -118,10 +118,19 @@ in
             ssl = true;
           }
           {
+            addr = "[::]";
+            port = 443;
+            ssl = true;
+          }          {
             addr = "0.0.0.0";
             port = 8448;
             ssl = true;
           }
+          {
+            addr = "[::]";
+            port = 8448;
+            ssl = true;
+          }
         ];
 
         locations."/_matrix/" = {