diff --git a/Casks/knotes.rb b/Casks/knotes.rb
index 0a5e40fd59e..047ba311c5e 100644
--- a/Casks/knotes.rb
+++ b/Casks/knotes.rb
@@ -1,20 +1,20 @@
-cask 'knotes' do
-  version '2.5.0'
-  sha256 '0f5d0da7eb1e1460da300931d4eabe06e3506b5e813ae408782717f9760a8ee6'
+cask "knotes" do
+  version "2.5.0"
+  sha256 "0f5d0da7eb1e1460da300931d4eabe06e3506b5e813ae408782717f9760a8ee6"
 
   # knotes2.s3-ap-northeast-1.amazonaws.com/ was verified as official when first introduced to the cask
   url "https://knotes2.s3-ap-northeast-1.amazonaws.com/download/mac/Knotes-#{version}.dmg"
-  appcast 'https://knotesapp.com/'
-  name 'Knotes'
-  homepage 'https://knotesapp.com/'
+  appcast "https://knotesapp.com/"
+  name "Knotes"
+  homepage "https://knotesapp.com/"
 
-  app 'Knotes.app'
+  app "Knotes.app"
 
   zap trash: [
-               '~/Library/Application Support/knotes',
-               '~/Library/Logs/knotes',
-               '~/Library/Preferences/com.knotesapp.knotes.helper.plist',
-               '~/Library/Preferences/com.knotesapp.knotes.plist',
-               '~/Library/Saved Application State/com.knotesapp.knotes.savedState',
-             ]
+    "~/Library/Application Support/knotes",
+    "~/Library/Logs/knotes",
+    "~/Library/Preferences/com.knotesapp.knotes.helper.plist",
+    "~/Library/Preferences/com.knotesapp.knotes.plist",
+    "~/Library/Saved Application State/com.knotesapp.knotes.savedState",
+  ]
 end