diff --git a/modules/video/include/opencv2/video/background_segm.hpp b/modules/video/include/opencv2/video/background_segm.hpp
index 83a571a590..717d42c824 100644
--- a/modules/video/include/opencv2/video/background_segm.hpp
+++ b/modules/video/include/opencv2/video/background_segm.hpp
@@ -403,6 +403,13 @@ public:
 };	
 
 
+/*!
+ The class implements the following algorithm:
+ "Improved adaptive Gausian mixture model for background subtraction"
+ Z.Zivkovic
+ International Conference Pattern Recognition, UK, August, 2004.
+ http://www.zoranz.net/Publications/zivkovic2004ICPR.pdf
+*/
 class CV_EXPORTS BackgroundSubtractorMOG2 : public BackgroundSubtractor
 {
 public: