diff --git a/modules/core/doc/pics/rotatedrect.png b/modules/core/doc/pics/rotatedrect.png
index 344bf49ad0..8c43e32b86 100644
Binary files a/modules/core/doc/pics/rotatedrect.png and b/modules/core/doc/pics/rotatedrect.png differ
diff --git a/modules/core/include/opencv2/core/types.hpp b/modules/core/include/opencv2/core/types.hpp
index 9da1450d46..73cb29f73a 100644
--- a/modules/core/include/opencv2/core/types.hpp
+++ b/modules/core/include/opencv2/core/types.hpp
@@ -545,8 +545,11 @@ public:
      */
     RotatedRect(const Point2f& point1, const Point2f& point2, const Point2f& point3);
 
-    /** returns 4 vertices of the rectangle
-    @param pts The points array for storing rectangle vertices. The order is bottomLeft, topLeft, topRight, bottomRight.
+    /** returns 4 vertices of the rotated rectangle
+    @param pts The points array for storing rectangle vertices. The order is _bottomLeft_, _topLeft_, topRight, bottomRight.
+    @note _Bottom_, _Top_, _Left_ and _Right_ sides refer to the original rectangle (angle is 0),
+    so after 180 degree rotation _bottomLeft_ point will be located at the top right corner of the
+    rectangle.
     */
     void points(Point2f pts[]) const;
     //! returns the minimal up-right integer rectangle containing the rotated rectangle
diff --git a/samples/cpp/tutorial_code/snippets/core_various.cpp b/samples/cpp/tutorial_code/snippets/core_various.cpp
index 4639940856..2be97f989d 100644
--- a/samples/cpp/tutorial_code/snippets/core_various.cpp
+++ b/samples/cpp/tutorial_code/snippets/core_various.cpp
@@ -38,6 +38,8 @@ int main()
     waitKey(0);
     //! [Algorithm]
 
+    const char * vertex_names[4] {"0", "1", "2", "3"};
+
     //! [RotatedRect_demo]
     Mat test_image(200, 200, CV_8UC3, Scalar(0));
     RotatedRect rRect = RotatedRect(Point2f(100,100), Size2f(100,50), 30);
@@ -45,7 +47,10 @@ int main()
     Point2f vertices[4];
     rRect.points(vertices);
     for (int i = 0; i < 4; i++)
+    {
         line(test_image, vertices[i], vertices[(i+1)%4], Scalar(0,255,0), 2);
+        putText(test_image, vertex_names[i], vertices[i], FONT_HERSHEY_SIMPLEX, 1, Scalar(255,255,255));
+    }
 
     Rect brect = rRect.boundingRect();
     rectangle(test_image, brect, Scalar(255,0,0), 2);