diff --git a/Source/Modules/WindowControllers/CtlPrefWindow.swift b/Source/Modules/WindowControllers/CtlPrefWindow.swift
index fe766b88..a7693e01 100644
--- a/Source/Modules/WindowControllers/CtlPrefWindow.swift
+++ b/Source/Modules/WindowControllers/CtlPrefWindow.swift
@@ -27,7 +27,7 @@ class CtlPrefWindow: NSWindowController, NSWindowDelegate {
   @IBOutlet var tglControlDevZoneIMKCandidate: NSButton!
   @IBOutlet var cmbCandidateFontSize: NSPopUpButton!
   @IBOutlet var chkFartSuppressor: NSButton!
-  
+
   @IBOutlet var chkRevLookupInCandidateWindow: NSButton!
   @IBOutlet var btnBrowseFolderForUserPhrases: NSButton!
   @IBOutlet var txtUserPhrasesFolderPath: NSTextField!