[iOS] Typo

Bug: n/a
Change-Id: Ieb23f3a9d83e5037c1f5ba32c5429dd1e8635b46
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2116077
Auto-Submit: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Reviewed-by: Olivier Robin <olivierrobin@chromium.org>
Commit-Queue: Olivier Robin <olivierrobin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#752809}

ios/chrome/common/app_group/app_group_command.h

@@ -32,7 +32,7 @@ typedef void (^URLOpenerBlock)(NSURL* URL);
 // Prepares a command to search for |image|.
 - (void)prepareToSearchImage:(UIImage*)image;
 
-// Launches the main app and execute the rceiver.
+// Launches the main app and execute the receiver.
 - (void)executeInApp;
 
 @end