diff --git a/SabreTools.DatFiles/DatFile.Splitting.cs b/SabreTools.DatFiles/DatFile.Splitting.cs
index e511640c..8b4e8ce7 100644
--- a/SabreTools.DatFiles/DatFile.Splitting.cs
+++ b/SabreTools.DatFiles/DatFile.Splitting.cs
@@ -97,7 +97,10 @@ namespace SabreTools.DatFiles
         /// <summary>
         /// Use romof tags to add roms to the children
         /// </summary>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="Items"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         private void AddRomsFromBiosImpl()
         {
             List<string> buckets = [.. Items.Keys];
@@ -140,7 +143,10 @@ namespace SabreTools.DatFiles
         /// <summary>
         /// Use romof tags to add roms to the children
         /// </summary>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="ItemsDB"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         private void AddRomsFromBiosImplDB()
         {
             List<string> buckets = [.. ItemsDB.SortedKeys];
@@ -187,7 +193,10 @@ namespace SabreTools.DatFiles
         /// </summary>
         /// <param name="subfolder">True to add DatItems to subfolder of parent (not including Disk), false otherwise</param>
         /// <param name="skipDedup">True to skip checking for duplicate ROMs in parent, false otherwise</param>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="Items"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         private void AddRomsFromChildrenImpl(bool subfolder, bool skipDedup)
         {
             List<string> buckets = [.. Items.Keys];
@@ -316,7 +325,10 @@ namespace SabreTools.DatFiles
         /// </summary>
         /// <param name="subfolder">True to add DatItems to subfolder of parent (not including Disk), false otherwise</param>
         /// <param name="skipDedup">True to skip checking for duplicate ROMs in parent, false otherwise</param>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="ItemsDB"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         private void AddRomsFromChildrenImplDB(bool subfolder, bool skipDedup)
         {
             List<string> buckets = [.. ItemsDB.SortedKeys];
@@ -447,7 +459,10 @@ namespace SabreTools.DatFiles
         /// <param name="dev">True if only child device sets are touched, false for non-device sets (default)</param>
         /// <param name="useSlotOptions">True if slotoptions tags are used as well, false otherwise</param>
         /// <returns>True if any items were processed, false otherwise</returns>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="Items"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         private bool AddRomsFromDevicesImpl(bool dev, bool useSlotOptions)
         {
             bool foundnew = false;
@@ -600,7 +615,10 @@ namespace SabreTools.DatFiles
         /// <param name="dev">True if only child device sets are touched, false for non-device sets</param>
         /// <param name="useSlotOptions">True if slotoptions tags are used as well, false otherwise</param>
         /// <returns>True if any items were processed, false otherwise</returns>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="ItemsDB"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         private bool AddRomsFromDevicesImplDB(bool dev, bool useSlotOptions)
         {
             bool foundnew = false;
@@ -763,7 +781,10 @@ namespace SabreTools.DatFiles
         /// <summary>
         /// Use cloneof tags to add roms to the children, setting the new romof tag in the process
         /// </summary>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="Items"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         private void AddRomsFromParentImpl()
         {
             List<string> buckets = [.. Items.Keys];
@@ -817,7 +838,10 @@ namespace SabreTools.DatFiles
         /// <summary>
         /// Use cloneof tags to add roms to the children, setting the new romof tag in the process
         /// </summary>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="ItemsDB"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         private void AddRomsFromParentImplDB()
         {
             List<string> buckets = [.. ItemsDB.SortedKeys];
@@ -879,7 +903,10 @@ namespace SabreTools.DatFiles
         /// <summary>
         /// Remove all BIOS and device sets
         /// </summary>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="Items"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         private void RemoveBiosAndDeviceSetsImpl()
         {
             List<string> buckets = [.. Items.Keys];
@@ -909,7 +936,10 @@ namespace SabreTools.DatFiles
         /// <summary>
         /// Remove all BIOS and device sets
         /// </summary>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="ItemsDB"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         private void RemoveBiosAndDeviceSetsImplDB()
         {
             List<string> buckets = [.. ItemsDB.SortedKeys];
@@ -941,7 +971,10 @@ namespace SabreTools.DatFiles
         /// Use romof tags to remove bios roms from children
         /// </summary>
         /// <param name="bios">True if only child Bios sets are touched, false for non-bios sets</param>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="Items"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         private void RemoveBiosRomsFromChildImpl(bool bios)
         {
             // Loop through the romof tags
@@ -990,7 +1023,10 @@ namespace SabreTools.DatFiles
         /// Use romof tags to remove bios roms from children
         /// </summary>
         /// <param name="bios">True if only child Bios sets are touched, false for non-bios sets</param>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="ItemsDB"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         internal void RemoveBiosRomsFromChildImplDB(bool bios)
         {
             // Loop through the romof tags
@@ -1036,7 +1072,10 @@ namespace SabreTools.DatFiles
         /// <summary>
         /// Use cloneof tags to remove roms from the children
         /// </summary>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="Items"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         private void RemoveRomsFromChildImpl()
         {
             List<string> buckets = [.. Items.Keys];
@@ -1087,7 +1126,10 @@ namespace SabreTools.DatFiles
         /// <summary>
         /// Use cloneof tags to remove roms from the children
         /// </summary>
-        /// <remarks>Assumes items are bucketed by <see cref="ItemKey.Machine"/></remarks>
+        /// <remarks>
+        /// Applies to <see cref="ItemsDB"/>.
+        /// Assumes items are bucketed by <see cref="ItemKey.Machine"/>.
+        /// </remarks>
         internal void RemoveRomsFromChildImplDB()
         {
             List<string> buckets = [.. ItemsDB.SortedKeys];