--- a/video.rst	Sat Aug 13 22:32:42 2016 +0300
+++ b/video.rst	Sat Aug 13 23:14:21 2016 +0300
@@ -13,8 +13,8 @@
   $ sudo apt-get install vlc
   $ sudo apt-get install mplayer
 
-Determine video format.
-=======================
+Determine video format
+======================
 ::
 
   $ file $VIDEO
@@ -26,8 +26,19 @@
   http://en.gentoo-wiki.com/wiki/Show_Video_Codecs
                 Show Video Codecs
 
-3d film.
-========
+Make screenshot from video
+==========================
+
+Seek to desired position with ``-ss`` option::
+
+   $ ffmpeg -ss 600 -i $IN.avi -vframes 1 $OUT.png
+
+You can apply filters, like resize::
+
+   $ ffmpeg -ss 600 -i $IN.avi -vframes 1 -s 320x240 $OUT.png
+
+Playing 3d film
+===============
 ::
 
   $ mplayer -vf stereo3d=side_by_side_left_first:anaglyph_red_cyan_color -vo gl $VIDEO
@@ -46,7 +57,7 @@
   $ cheese
   $ camorama
 
-Make screenshort from web camera::
+Make screenshot from web camera::
 
   $ ffmpeg -f video4linux2 -i /dev/v4l/by-id/CAMERA -vframes 1 test.jpeg
   $ ffmpeg -f video4linux2 -i /dev/v4l/by-id/CAMERA -vframes 4 test%3d.jpeg