diff --git a/RMuseum/Models/GanjoorAudio/AudioSyncStatus.cs b/RMuseum/Models/GanjoorAudio/AudioSyncStatus.cs
index 6dcc29b0..be17eb23 100644
--- a/RMuseum/Models/GanjoorAudio/AudioSyncStatus.cs
+++ b/RMuseum/Models/GanjoorAudio/AudioSyncStatus.cs
@@ -21,7 +21,7 @@
         MetadataChanged = 2,
 
         /// <summary>
-        /// sound files should be reuploaded
+        /// sound files should be reuploaded (this means xml file is also needs to reuploaded)
         /// </summary>
         SoundFilesChanged = 4,
 
@@ -31,7 +31,7 @@
         XmlFileChanged = 8,
 
         /// <summary>
-        /// Item is deleted
+        /// Item should be deleted
         /// </summary>
         Deleted = 16
 
diff --git a/RMuseum/Models/GanjoorAudio/PoemNarration.cs b/RMuseum/Models/GanjoorAudio/PoemNarration.cs
index 788400b7..8da3ed50 100644
--- a/RMuseum/Models/GanjoorAudio/PoemNarration.cs
+++ b/RMuseum/Models/GanjoorAudio/PoemNarration.cs
@@ -82,6 +82,11 @@ namespace RMuseum.Models.GanjoorAudio
         /// <sample>
         /// "/i/a2/x"
         /// </sample>
+        /// <remarks>
+        /// XML Schema is defined based on Desktop Ganjoor (https://github.com/ganjoor/ganjoor) code, for
+        /// more information take a look at this code:
+        /// https://github.com/ganjoor/ganjoor/blob/master/ganjoor/Audio%20Support/PoemAudioListProcessor.cs
+        /// </remarks>
         public string RemoteXMLFilePath { get { return $"/i/{SoundFilesFolder}/x/{FileNameWithoutExtension}.xml"; } }
 
         /// <summary>