diff --git a/doc/muxers.texi b/doc/muxers.texi
index e0f99a92dc..c2ca0ba92d 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -358,7 +358,8 @@ This muxer supports the following options:
 
 @table @option
 @item hls_time @var{seconds}
-Set the segment length in seconds. Default value is 2.
+Set the target segment length in seconds. Default value is 2.
+Segment will be cut on the next key frame after this time has passed.
 
 @item hls_list_size @var{size}
 Set the maximum number of playlist entries. If set to 0 the list file