diff --git a/QuietUnrarAppDelegate.m b/QuietUnrarAppDelegate.m
index e4e3776..be3699f 100644
--- a/QuietUnrarAppDelegate.m
+++ b/QuietUnrarAppDelegate.m
@@ -34,12 +34,12 @@ BOOL appRunning = NO;
 
 - (void) applicationWillFinishLaunching:(NSNotification *)notification {
     NSLog(@"applicationWillFinishLaunching");
-	// The following is used to determine is the left or right shift keys were depressed
-	// as the application was launched. Could be used to display a gui on Application start.
-	KeyMap map;
-	GetKeys(map);
-	if (KEYMAP_GET(map, kVKC_Shift) || KEYMAP_GET(map, kVKC_rShift))
-		NSLog(@"Shift or Right Shift");
+    // The following is used to determine is the left or right shift keys were depressed
+    // as the application was launched. Could be used to display a gui on Application start.
+    KeyMap map;
+    GetKeys(map);
+    if (KEYMAP_GET(map, kVKC_Shift) || KEYMAP_GET(map, kVKC_rShift))
+        NSLog(@"Shift or Right Shift");
 
     userDefaults = [TDNUserDefaults sharedInstance];
 
@@ -88,17 +88,17 @@ BOOL appRunning = NO;
 // Call one at a time for each file selected when app is run
 // This is seemingly never called, even when only selecting a single file.
 - (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename {
-	//NSLog(@"openFile: %@", filename);
+    //NSLog(@"openFile: %@", filename);
 
-	//[self extractRarWith:filename];
-//    [self extractRarUsingUnrarKitWithFilename:filename];
-	// Always return YES even if there is an error to avoid dialog indicating unable to
-	// handle files of type RAR if the archive is corrupt or part of it is missing
-	return YES;
+    //[self extractRarWith:filename];
+    //    [self extractRarUsingUnrarKitWithFilename:filename];
+    // Always return YES even if there is an error to avoid dialog indicating unable to
+    // handle files of type RAR if the archive is corrupt or part of it is missing
+    return YES;
 }
 
 - (void)application:(NSApplication *)theApplication openFiles:(NSArray *) arrayOfFilenames {
-	NSLog(@"openFiles: %@", arrayOfFilenames);
+    NSLog(@"openFiles: %@", arrayOfFilenames);
 
     arrayOfFilesToProcess = arrayOfFilenames;
 
@@ -143,40 +143,40 @@ BOOL appRunning = NO;
 // Presents a dialog to the user allowing them to Skip a file or overwrite an existing version
 // returns YES or NO
 - (BOOL) shouldFileBeReplaced:(NSString *) filename {
-	BOOL result = NO;
+    BOOL result = NO;
 
-	NSAlert *alert = [[NSAlert alloc] init];
-	[alert addButtonWithTitle:@"Overwrite"];
-	NSButton * skipButton = [alert addButtonWithTitle:@"Skip"];
-	[skipButton setKeyEquivalent:@"\e"];
-	[alert setMessageText:[NSString stringWithFormat:@"Overwrite %@?", filename]];
-	[alert setInformativeText:[NSString stringWithFormat:@"The file %@ already exists. Do you wish to extract it again, overwriting the original file?", filename]];
+    NSAlert *alert = [[NSAlert alloc] init];
+    [alert addButtonWithTitle:@"Overwrite"];
+    NSButton * skipButton = [alert addButtonWithTitle:@"Skip"];
+    [skipButton setKeyEquivalent:@"\e"];
+    [alert setMessageText:[NSString stringWithFormat:@"Overwrite %@?", filename]];
+    [alert setInformativeText:[NSString stringWithFormat:@"The file %@ already exists. Do you wish to extract it again, overwriting the original file?", filename]];
     [alert setAlertStyle:NSAlertStyleWarning];
 
-	if ([alert runModal] == NSAlertFirstButtonReturn) {
-		result = YES;
-	}
+    if ([alert runModal] == NSAlertFirstButtonReturn) {
+        result = YES;
+    }
 
 
-	return result;
+    return result;
 }
 
 // Indicate to the user that part of the RAR volume is missing.
 - (void) alertUserOfMissing:(const char *) volume {
-	NSAlert *alert = [[NSAlert alloc] init];
-	[alert addButtonWithTitle:@"OK"];
-	[alert setMessageText:[NSString stringWithFormat:@"Archive part %s is missing.", volume]];
-	[alert setInformativeText:@"Unable to extract all files from RAR archive as part of it is missing"];
+    NSAlert *alert = [[NSAlert alloc] init];
+    [alert addButtonWithTitle:@"OK"];
+    [alert setMessageText:[NSString stringWithFormat:@"Archive part %s is missing.", volume]];
+    [alert setInformativeText:@"Unable to extract all files from RAR archive as part of it is missing"];
     [alert setAlertStyle:NSAlertStyleCritical];
 
-	[alert runModal];
+    [alert runModal];
 
 }
 
 // Creates a dialog with a custom view with a NSSecureTextField which is displayed
 // to the user so they can provide a password. Returns the entered password or nil
 - (NSString *) requestArchivePassword {
-	if (!passwordView) {
+    if (!passwordView) {
 
         NSBundle* bundle = [NSBundle bundleForClass:[self class]];
 
@@ -185,21 +185,21 @@ BOOL appRunning = NO;
         [passwordField setStringValue:@""];
     }
 
-	NSString * password = nil;
+    NSString * password = nil;
 
-	NSAlert *alert = [[NSAlert alloc] init];
+    NSAlert *alert = [[NSAlert alloc] init];
     [alert addButtonWithTitle:@"OK"];
     [alert addButtonWithTitle:@"Cancel"];
     [alert setMessageText:@"Archive Requires a password"];
     [alert setInformativeText:@"To extract the contents of this archive a password is required."];
-	[alert setAccessoryView:passwordView];
+    [alert setAccessoryView:passwordView];
     [alert setAlertStyle:NSAlertStyleWarning];
 
-	if ([alert runModal] == NSAlertFirstButtonReturn) {
-		password = [passwordField stringValue];
-	}
+    if ([alert runModal] == NSAlertFirstButtonReturn) {
+        password = [passwordField stringValue];
+    }
 
-	return password;
+    return password;
 }
 
 - (void) hideDockIcon: (BOOL) hide {
@@ -262,8 +262,8 @@ BOOL appRunning = NO;
     UNUserNotificationCenter * center = [UNUserNotificationCenter currentNotificationCenter];
 
     [center requestAuthorizationWithOptions:(UNAuthorizationOptionAlert + UNAuthorizationOptionSound)
-       completionHandler:^(BOOL granted, NSError * _Nullable error) {
-          // Enable or disable features based on authorization.
+                          completionHandler:^(BOOL granted, NSError * _Nullable error) {
+        // Enable or disable features based on authorization.
         if (granted) {
             // set some flag, that would be used to see if notifications should be posted
             NSLog(@"Notification Permission Granted");