diff --git a/adcom1/audio_placement.go b/adcom1/audio_placement.go
index 85ee02d..74c2680 100644
--- a/adcom1/audio_placement.go
+++ b/adcom1/audio_placement.go
@@ -40,11 +40,11 @@ type AudioPlacement struct {
 	// Attribute:
 	//   playmethod
 	// Type:
-	//   integer
+	//   integer array
 	// Definition:
-	//   Playback method in use for this placement.
+	//   Playback method(s) in use for this placement.
 	//   Refer to List: Playback Methods.
-	PlayMethod PlaybackMethod `json:"playmethod,omitempty"`
+	PlayMethod []PlaybackMethod `json:"playmethod,omitempty"`
 
 	// Attribute:
 	//   playend
diff --git a/adcom1/video_placement.go b/adcom1/video_placement.go
index 2243b83..d35aeed 100644
--- a/adcom1/video_placement.go
+++ b/adcom1/video_placement.go
@@ -60,11 +60,11 @@ type VideoPlacement struct {
 	// Attribute:
 	//   playmethod
 	// Type:
-	//   integer
+	//   integer array
 	// Definition:
-	//   Playback method in use for this placement.
+	//   Playback method(s) in use for this placement.
 	//   Refer to List: Playback Methods.
-	PlayMethod PlaybackMethod `json:"playmethod,omitempty"`
+	PlayMethod []PlaybackMethod `json:"playmethod,omitempty"`
 
 	// Attribute:
 	//   playend