diff --git a/doc/filters.texi b/doc/filters.texi
index cf3a3f03c0..38196452b8 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -1323,12 +1323,7 @@ not meant to be used directly.
 
 Adjust the input audio volume.
 
-The filter accepts the following named parameters. If the key of the
-first options is omitted, the arguments are interpreted according to
-the following syntax:
-@example
-volume=@var{volume}:@var{precision}
-@end example
+The filter accepts the following options:
 
 @table @option