[FFmpeg-cvslog] doc/filters: add small description to geq filter section

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Mon Oct 29 16:44:23 2018 +0100| [7e1add2c51d7dd791123a6246dfa1b4cf29239e6] | committer: Paul B Mahol

doc/filters: add small description to geq filter section

Previously there was no description at all.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7e1add2c51d7dd791123a6246dfa1b4cf29239e6
---

 doc/filters.texi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index 9c7cc2284b..9b84b1145b 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -10121,6 +10121,8 @@ Default is @code{-1}.
 
 @section geq
 
+Apply generic equation to each pixel.
+
 The filter accepts the following options:
 
 @table @option