diff --git a/modules/ximgproc/include/opencv2/ximgproc.hpp b/modules/ximgproc/include/opencv2/ximgproc.hpp
index 06001176b..11b32cdeb 100644
--- a/modules/ximgproc/include/opencv2/ximgproc.hpp
+++ b/modules/ximgproc/include/opencv2/ximgproc.hpp
@@ -64,6 +64,8 @@ i.e. algorithms which somehow takes into account pixel affinities in natural ima
     @defgroup ximgproc_superpixel Superpixels
 
     @defgroup ximgproc_segmentation Image segmentation
+
+    @defgroup ximgproc_fast_line_detector Fast line detector
   @}
 */
 
diff --git a/modules/ximgproc/include/opencv2/ximgproc/fast_line_detector.hpp b/modules/ximgproc/include/opencv2/ximgproc/fast_line_detector.hpp
index acc23e665..1df555865 100644
--- a/modules/ximgproc/include/opencv2/ximgproc/fast_line_detector.hpp
+++ b/modules/ximgproc/include/opencv2/ximgproc/fast_line_detector.hpp
@@ -12,7 +12,7 @@ namespace cv
 namespace ximgproc
 {
 
-//! @addtogroup ximgproc_feature
+//! @addtogroup ximgproc_fast_line_detector
 //! @{
 
 /** @brief Class implementing the FLD (Fast Line Detector) algorithm described
@@ -75,7 +75,7 @@ CV_EXPORTS_W Ptr<FastLineDetector> createFastLineDetector(
         double _canny_th1 = 50.0, double _canny_th2 = 50.0, int _canny_aperture_size = 3,
         bool _do_merge = false);
 
-//! @} ximgproc_feature
+//! @} ximgproc_fast_line_detector
 }
 }
 #endif