diff --git a/modules/core/include/opencv2/core/types.hpp b/modules/core/include/opencv2/core/types.hpp
index fd2f834e2a51f95730875ebb363e8c6dfc4b85a5..9252cad14a651eeacbb749c1cd057dd66f056045 100644
--- a/modules/core/include/opencv2/core/types.hpp
+++ b/modules/core/include/opencv2/core/types.hpp
@@ -552,12 +552,12 @@ public:
 
     //! converts vector of keypoints to vector of points
     CV_WRAP static void convert(const std::vector<KeyPoint>& keypoints,
-                        CV_OUT std::vector<Point2f>& points2f,
-                        const std::vector<int>& keypointIndexes=std::vector<int>());
+                                CV_OUT std::vector<Point2f>& points2f,
+                                const std::vector<int>& keypointIndexes=std::vector<int>());
     //! converts vector of points to the vector of keypoints, where each keypoint is assigned the same size and the same orientation
     CV_WRAP static void convert(const std::vector<Point2f>& points2f,
-                        CV_OUT std::vector<KeyPoint>& keypoints,
-                        float size=1, float response=1, int octave=0, int class_id=-1);
+                                CV_OUT std::vector<KeyPoint>& keypoints,
+                                float size=1, float response=1, int octave=0, int class_id=-1);
 
     //! computes overlap for pair of keypoints;
     //! overlap is a ratio between area of keypoint regions intersection and