diff --git a/DOCS/mplayer.1 b/DOCS/mplayer.1
index 8875ec4e84..5a10da35ac 100644
--- a/DOCS/mplayer.1
+++ b/DOCS/mplayer.1
@@ -1543,6 +1543,11 @@ eq controls. The values can be from -100 to 100.
 Convert planar YUV 4:2:0 to half-height packed 4:2:2, downsampling luma but
 keeping all chroma samples. Useful for output to low-resolution display
 devices when hardware downscaling is poor quality or is not available.
+.IPs dint[=sense:level]
+Detects and drops first of interlaced frames in video stream. Values can be
+from 0.0 to 1.0 - first (default 0.1) is relative difference between neighbor
+pixels, second (default 0.15) is what part of image have to be detected as
+interlaced to drop the frame.
 .RE
 .
 .TP