2 files changed, 2 insertions, 0 deletions
diff --git a/src/lib/film.cc b/src/lib/film.cc
index e14d3a488..b27a0b0e4 100644
--- a/src/lib/film.cc
+++ b/src/lib/film.cc
@@ -831,6 +831,7 @@ Film::set_reel_type (ReelType t)
 	signal_changed (REEL_TYPE);
 }
 
+/** @param r Desired reel length in bytes */
 void
 Film::set_reel_length (int64_t r)
 {
diff --git a/src/lib/film.h b/src/lib/film.h
index faa7cf5ba..17bdd09eb 100644
--- a/src/lib/film.h
+++ b/src/lib/film.h
@@ -353,6 +353,7 @@ private:
 	bool _interop;
 	AudioProcessor const * _audio_processor;
 	ReelType _reel_type;
+	/** Desired reel length in bytes, if _reel_type == REELTYPE_BY_LENGTH */
 	int64_t _reel_length;
 
 	int _state_version;