diff --git a/macosx/Controller.mm b/macosx/Controller.mm
index aa45efc62..e1701dc1d 100644
--- a/macosx/Controller.mm
+++ b/macosx/Controller.mm
@@ -3002,7 +3002,7 @@ void onTorrentCompletenessChanged(tr_torrent* tor, tr_completeness status, bool
     {
         //for each torrent, removes the previous piece info if it's not in allTorrents, and keeps track of which torrents we already found in allTorrents
         void (^removePreviousFinishedPieces)(id, NSUInteger, BOOL*) = ^(Torrent* torrent, NSUInteger /*idx*/, BOOL* /*stop*/) {
-            //we used to keep track of which torrents we already found in allTorrents, but it wasn't safe fo concurrent enumeration
+            //we used to keep track of which torrents we already found in allTorrents, but it wasn't safe for concurrent enumeration
             if (![allTorrents containsObject:torrent])
             {
                 torrent.previousFinishedPieces = nil;
@@ -4598,7 +4598,7 @@ void onTorrentCompletenessChanged(tr_torrent* tor, tr_completeness status, bool
         return YES;
     }
 
-    //only enable some items if it is in a context menu or the window is useable
+    //only enable some items if it is in a context menu or the window is usable
     BOOL canUseTable = self.fWindow.keyWindow || menuItem.menu.supermenu != NSApp.mainMenu;
 
     //enable open items
diff --git a/macosx/InfoTrackersViewController.mm b/macosx/InfoTrackersViewController.mm
index ccbc66d14..289b865b5 100644
--- a/macosx/InfoTrackersViewController.mm
+++ b/macosx/InfoTrackersViewController.mm
@@ -256,7 +256,7 @@ typedef NS_ENUM(NSInteger, TrackerSegmentTag) {
     [self.fTrackerTable reloadData];
     [self.fTrackerTable deselectAll:self];
 
-    [NSNotificationCenter.defaultCenter postNotificationName:@"UpdateUI" object:nil]; //incase sort by tracker
+    [NSNotificationCenter.defaultCenter postNotificationName:@"UpdateUI" object:nil]; //in case sort by tracker
 }
 
 - (void)addRemoveTracker:(id)sender
@@ -463,7 +463,7 @@ typedef NS_ENUM(NSInteger, TrackerSegmentTag) {
 
     [self.fTrackerTable endUpdates];
 
-    [NSNotificationCenter.defaultCenter postNotificationName:@"UpdateUI" object:nil]; //incase sort by tracker
+    [NSNotificationCenter.defaultCenter postNotificationName:@"UpdateUI" object:nil]; //in case sort by tracker
 }
 
 @end
diff --git a/macosx/Torrent.mm b/macosx/Torrent.mm
index 1e5c2f12d..3ca439920 100644
--- a/macosx/Torrent.mm
+++ b/macosx/Torrent.mm
@@ -828,10 +828,10 @@ bool trashDataFile(char const* filename, void* /*user_data*/, tr_error** error)
     }
     if (self.fStat->leftUntilDone <= 0)
     {
-        // We return smallest amount of time remaining for simpliest compliance with sorting.
+        // We return smallest amount of time remaining for simplest compliance with sorting.
         return 0;
     }
-    // We return highest amount of time remaining for simpliest compliance with sorting.
+    // We return highest amount of time remaining for simplest compliance with sorting.
     return LONG_MAX;
 }