fixed Kirill's comments

modules/highgui/src/cap_ios_abstract_camera.mm

@@ -470,7 +470,7 @@
             device.whiteBalanceMode = AVCaptureWhiteBalanceModeLocked;
             [device unlockForConfiguration];
         } else {
-            NSLog(@"unable to lock device for locked exposure configuration %@", [error localizedDescription]);
+            NSLog(@"unable to lock device for locked white balance configuration %@", [error localizedDescription]);
         }
     }
 }
@@ -484,7 +484,7 @@
             device.whiteBalanceMode = AVCaptureWhiteBalanceModeContinuousAutoWhiteBalance;
             [device unlockForConfiguration];
         } else {
-            NSLog(@"unable to lock device for autoexposure configuration %@", [error localizedDescription]);
+            NSLog(@"unable to lock device for auto white balance configuration %@", [error localizedDescription]);
         }
     }
 }

modules/highgui/src/cap_ios_photo_camera.mm

@@ -32,7 +32,7 @@
 #import "opencv2/highgui/cap_ios.h"
 #include "precomp.hpp"
 
-#pragma mark - Private Interface mark - Private Interface
+#pragma mark - Private Interface
 
 
 @interface CvPhotoCamera ()