diff --git a/samples/cpp/tutorial_code/features2D/AKAZE_tracking/planar_tracking.cpp b/samples/cpp/tutorial_code/features2D/AKAZE_tracking/planar_tracking.cpp
index 85ca00385dfe0b239e0ba312a40484f19d5f6e9d..51e9a0377bc05113814617dabdd2bd5a8d885f66 100755
--- a/samples/cpp/tutorial_code/features2D/AKAZE_tracking/planar_tracking.cpp
+++ b/samples/cpp/tutorial_code/features2D/AKAZE_tracking/planar_tracking.cpp
@@ -122,9 +122,9 @@ Mat Tracker::process(const Mat frame, Stats& stats)
 int main(int argc, char **argv)
 {
     if(argc < 3) {
-        cerr << "Usage: " << endl <<
-                "akaze_track input_path output_path [bounding_box_path]" << endl
-                "  (for camera input_path=N for camera N)" << endl;
+        cerr << "Usage: " << endl 
+             << "akaze_track input_path output_path [bounding_box_path]" << endl
+             << "  (for camera input_path=N for camera N)" << endl;
         return 1;
     }