[FFmpeg-cvslog] doc/filters: fix error in aiir options names

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Wed Jan 10 20:32:22 2018 +0100| [6cc44c058396c51a52e868c4293692b43047e8f4] | committer: Paul B Mahol

doc/filters: fix error in aiir options names

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6cc44c058396c51a52e868c4293692b43047e8f4
---

 doc/filters.texi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index 618eb28e28..bd93e0ab84 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -1090,9 +1090,9 @@ Set coefficients format.
 transfer function
 @item zp
 Z-plane zeros/poles, cartesian (default)
- at item zpr
+ at item pr
 Z-plane zeros/poles, polar radians
- at item zpd
+ at item pd
 Z-plane zeros/poles, polar degrees
 @end table