doc/filters: add small description to geq filter section

Previously there was no description at all.
This commit is contained in:
Paul B Mahol 2018-10-29 16:44:23 +01:00
parent e95987f6ca
commit 7e1add2c51
1 changed files with 2 additions and 0 deletions

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@ -10121,6 +10121,8 @@ Default is @code{-1}.
@section geq
Apply generic equation to each pixel.
The filter accepts the following options:
@table @option