typos in comments

src/Compilers/Core/Portable/DiagnosticAnalyzer/AnalyzerDriver.cs

@@ -842,7 +842,7 @@ private async Task<CompilationCompletedEvent> ProcessCompilationEventsCoreAsync(
                     cancellationToken.ThrowIfCancellationRequested();
 
                     // NOTE: IsCompleted guarantees that Count will not increase
-                    //       the other is not true, so we need to check IsCompleted first and then check the Count
+                    //       the reverse is not true, so we need to check IsCompleted first and then check the Count
                     if ((prePopulatedEventQueue || CompilationEventQueue.IsCompleted) &&
                         CompilationEventQueue.Count == 0)
                     {

src/Compilers/Core/Portable/DiagnosticAnalyzer/AsyncQueue.cs

@@ -182,7 +182,7 @@ private bool CompleteCore()
                     //       the queue can either have waiters or items, not both
                     //       adding an item would "unwait" the waiters
                     //       the fact that we _had_ waiters at the time we completed the queue
-                    //       guarantees that there is no items in the que now or in the future, 
+                    //       guarantees that there is no items in the queue now or in the future, 
                     //       so it is safe to cancel waiters with no loss of diagnostics
                     Debug.Assert(this.Count == 0, "we should not be cancelling the waiters when we have items in the queue");
                     foreach (var tcs in existingWaiters)