Fix typo

Change-Id: I20b611fde0d4787a7c189ad858f2a0b10b3bee07
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2284493
Auto-Submit: Roberto Moura <mouraroberto@google.com>
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Commit-Queue: Mark Cogan <marq@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Mark Cogan <marq@chromium.org>
Cr-Commit-Position: refs/heads/master@{#785746}

ios/chrome/browser/ui/main/bvc_container_view_controller.h

@@ -8,7 +8,7 @@
 #import <UIKit/UIKit.h>
 
 // A UIViewController instance designed to contain an instance of
-// BrowserViewController ("BVC") as a child. Since the BVC itself is often
+// BrowserViewController ("BVC") as a child. Since the BVC itself often
 // implements a great deal of custom logic around handling view controller
 // presentation and other features, this containing view controller handles
 // forwarding calls to the BVC instance where needed.