doc/disorder_protocol.5.in: Document `sofar' field in track-info line.

diff --git a/doc/disorder_protocol.5.in b/doc/disorder_protocol.5.in
index df32a4d..3389bd9 100644 (file)
--- a/doc/disorder_protocol.5.in
+++ b/doc/disorder_protocol.5.in
@@ -649,6 +649,9 @@ In the queue, hasn't been played yet.
 The track was terminated because the server is shutting down.
 .RE
 .TP
+.B sofar
+The number of seconds of the track that have been played so far.
+.TP
 .B submitter
 The user that submitted the track.
 .TP