diff --git a/hammerspoon/hosts/hati.lua b/hammerspoon/hosts/hati.lua
index 939a3ef..873ce1c 100644
--- a/hammerspoon/hosts/hati.lua
+++ b/hammerspoon/hosts/hati.lua
@@ -7,6 +7,8 @@ local obj = {}
 local apptoggle = require('app_toggle')
 
 local function init_hotkeys()
+  hs.hotkey.bind({ 'cmd', 'alt', 'ctrl' }, 'S', apptoggle.showAppInfo)
+
   apptoggle:bind({ 'cmd', 'alt', 'ctrl' }, 'A', { 'Activity Monitor' })
   apptoggle:bind({ 'cmd', 'ctrl' }, '4', { 'HuggingChat' })
   apptoggle:bind({ 'cmd', 'ctrl' }, 'A', { 'ArgoCD' })
@@ -38,7 +40,7 @@ end
 local uh = require('url_handler')
 
 local function init_url_handler()
-  uh.default_handler = uh.browsers.firefox
+  uh.default_handler = uh.browsers.arc
   uh.url_patterns    = {
     {
       { "%://meet.google.com/" }, uh.browsers.chrome, nil,
@@ -54,7 +56,7 @@ end
 
 function obj.init()
   init_hotkeys()
-  -- init_url_handler()
+  init_url_handler()
 end
 
 return obj
diff --git a/hammerspoon/url_handler.lua b/hammerspoon/url_handler.lua
index 813ebb3..32addec 100644
--- a/hammerspoon/url_handler.lua
+++ b/hammerspoon/url_handler.lua
@@ -43,7 +43,7 @@ obj.url_redir_decoders = nil
 --- A table of browser names and corresponding bundle IDs that can be used in
 --- the url_patterns table.
 obj.browsers = {
-  arc       = 'com.arc.arc',
+  arc       = 'company.thebrowser.Browser',
   brave     = 'com.brave.Browser',
   camino    = 'org.mozilla.camino',
   chrome    = 'com.google.Chrome',
@@ -59,6 +59,7 @@ obj.browsers = {
   palemoon  = 'com.palemoon.palemoon',
   safari    = 'com.apple.Safari',
   seamonkey = 'org.mozilla.seamonkey',
+  sigmaos   = 'com.sigmaos.sigmaos.macos',
   tor       = 'org.mozilla.tor browser',
   vivaldi   = 'com.vivaldi.Vivaldi',
   waterfox  = 'net.waterfox.waterfox',