diff --git a/doc/py_tutorials/py_gui/py_trackbar/py_trackbar.markdown b/doc/py_tutorials/py_gui/py_trackbar/py_trackbar.markdown
index e5e9306d27..d6af059903 100644
--- a/doc/py_tutorials/py_gui/py_trackbar/py_trackbar.markdown
+++ b/doc/py_tutorials/py_gui/py_trackbar/py_trackbar.markdown
@@ -37,6 +37,7 @@ cv.namedWindow('image')
 
 # create trackbars for color change
 cv.createTrackbar('R','image',0,255,nothing)
+
 cv.createTrackbar('G','image',0,255,nothing)
 cv.createTrackbar('B','image',0,255,nothing)