3 files changed, 4 insertions, 3 deletions
diff --git a/FdsFile.cs b/FdsFile.cs
index ff8a48f..99fe082 100644
--- a/FdsFile.cs
+++ b/FdsFile.cs
@@ -5,7 +5,7 @@ using System.Linq;
 namespace com.clusterrr.Famicom.Containers
 {
     /// <summary>
-    /// Full .fds file, disk sides collection
+    /// File container for FDS games, disk sides collection
     /// </summary>
     public class FdsFile
     {
diff --git a/NesFile.cs b/NesFile.cs
index 7ea1ad2..c6c9f52 100644
--- a/NesFile.cs
+++ b/NesFile.cs
@@ -742,10 +742,11 @@ namespace com.clusterrr.Famicom.Containers
                 chrSizePadded = header[5] * 0x2000UL;
                 switch (Mirroring)
                 {
-                    case MirroringType.Unknown:
+                    case MirroringType.Unknown:          // mirroring field ignored
                     case MirroringType.Horizontal:
                     case MirroringType.Vertical:
                     case MirroringType.FourScreenVram:
+                    case MirroringType.MapperControlled: // mirroring field ignored
                         break;
                     default:
                         throw new InvalidDataException($"{Mirroring} mirroring is not supported by iNES");
diff --git a/UnifFile.cs b/UnifFile.cs
index f098468..f794d2d 100644
--- a/UnifFile.cs
+++ b/UnifFile.cs
@@ -21,7 +21,7 @@ namespace com.clusterrr.Famicom.Containers
         /// <summary>
         /// UNIF version
         /// </summary>
-        public int Version = 7;
+        public int Version { get; set; } = 7;
 
         /// <summary>
         /// Get/set UNIF field