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diff --git a/doc/general.texi b/doc/general.texi
index 8c3a04b078..cd725bb51d 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -17,6 +17,20 @@ for more formats. None of them are used by default, their use has to be
explicitly requested by passing the appropriate flags to
@command{./configure}.
+@section libdavs2
+
+FFmpeg can make use of the davs2 library for AVS2/IEEE 1857.4 video decoding.
+
+Go to @url{https://github.com/pkuvcl/davs2} and follow the instructions for
+installing the library. Then pass @code{--enable-libdavs2} to configure to
+enable it.
+
+@float NOTE
+libdavs2 is under the GNU Public License Version 2 or later
+(see @url{http://www.gnu.org/licenses/old-licenses/gpl-2.0.html} for
+details), you must upgrade FFmpeg's license to GPL in order to use it.
+@end float
+
@section Alliance for Open Media libaom
FFmpeg can make use of the libaom library for AV1 decoding.