diff --git a/home-manager.nix b/home-manager.nix
index 8129d7d..c7585d4 100644
--- a/home-manager.nix
+++ b/home-manager.nix
@@ -172,7 +172,7 @@
                             plugin = ${pkgs.rnnoise-plugin}/lib/ladspa/librnnoise_ladspa.so
                             label = noise_suppressor_mono
                             control = {
-                                "VAD Threshold (%)" = 20.0
+                                "VAD Threshold (%)" = 30.0
                                 "VAD Grace Period (ms)" = 300
                                 "Retroactive VAD Grace (ms)" = 0
                             }
@@ -240,4 +240,13 @@
     enable = true;
     platformTheme = "qtct";
   };
+
+  # Configure XDG
+  xdg.mimeApps.defaultApplications = {
+    "text/html" = "firefox";
+    "x-scheme-handler/http" = "firefox";
+    "x-scheme-handler/https" = "firefox";
+    "x-scheme-handler/about" = "firefox";
+    "x-scheme-handler/unknown" = "firefox";
+  };
 }