diff --git a/SabreTools.Helper/Data/Build.cs b/SabreTools.Helper/Data/Build.cs
index e77ac08a..3c51085d 100644
--- a/SabreTools.Helper/Data/Build.cs
+++ b/SabreTools.Helper/Data/Build.cs
@@ -315,10 +315,10 @@ namespace SabreTools.Helper.Data
 						helptext.Add("	-xof, --exclude-of	Exclude romof, cloneof, sampleof tags");
 						helptext.Add("	-clean			Clean game names according to WoD standards");
 						helptext.Add("	-sl, --softlist	Use Software List name instead of description");
-						helptext.Add("	-dm, --dat-merge Create merged sets in the output DAT");
-						helptext.Add("	-ds, --dat-split Create split sets in the output DAT");
-						helptext.Add("	-dnm, --dat-nonmerge Create non-merged sets in the output DAT");
-						helptext.Add("	-df, --dat-fullnonmerge Create fully non-merged sets in the output");
+						helptext.Add("	-dm, --dat-merged Create merged sets");
+						helptext.Add("	-ds, --dat-split Create split sets");
+						helptext.Add("	-dnm, --dat-nonmerged Create non-merged sets");
+						helptext.Add("	-df, --dat-fullnonmerged Create fully non-merged sets");
 						helptext.Add("	-trim			Trim file names to fit NTFS length");
 							helptext.Add("		-rd=, --root-dir=	Set the root directory for calc");
 						helptext.Add("	-si, --single		All game names replaced by '!'");
diff --git a/SabreTools.Helper/README.1ST b/SabreTools.Helper/README.1ST
index 3e68b056..e12cb91f 100644
--- a/SabreTools.Helper/README.1ST
+++ b/SabreTools.Helper/README.1ST
@@ -730,7 +730,7 @@ Options:
 			Enabling this flag allows for the original name to be preserved and keeping
 			the description as just a description.
 			
-		-dm, --dat-merge	Create merged sets in the output DAT
+		-dm, --dat-merged	Create merged sets in the output DAT
 			Preprocess the DAT to have parent sets contain all items from the children based
 			on the cloneof tag. This is incompatible with the other --dat-X flags.
 		
@@ -738,11 +738,11 @@ Options:
 			Preprocess the DAT to remove redundant files between parents and children based
 			on the romof and cloneof tags. This is incompatible with the other --dat-X flags.
 		
-		-dnm, --dat-nonmerge Create non-merged sets in the output DAT
+		-dnm, --dat-nonmerged Create non-merged sets in the output DAT
 			Preprocess the DAT to have child sets contain all items from the parent set based
 			on the cloneof tag. This is incompatible with the other --dat-X flags.
 		
-		-df, --dat-fullnonmerge Create fully non-merged sets in the output DAT
+		-df, --dat-fullnonmerged Create fully non-merged sets in the output DAT
 			Preprocess the DAT to have child sets contain all items from the parent sets based
 			on the cloneof and romof tags as well as device references. This is incompatible with
 			the other --dat-X flags.
diff --git a/SabreTools/SabreTools.cs b/SabreTools/SabreTools.cs
index 37a87620..95eeb67d 100644
--- a/SabreTools/SabreTools.cs
+++ b/SabreTools/SabreTools.cs
@@ -257,7 +257,7 @@ namespace SabreTools
 						delete = true;
 						break;
 					case "-df":
-					case "--dat-fullnonmerge":
+					case "--dat-fullnonmerged":
 						splitType = SplitType.FullNonMerged;
 						break;
 					case "-di":
@@ -277,11 +277,11 @@ namespace SabreTools
 						diffMode |= DiffMode.NoDupes;
 						break;
 					case "-dm":
-					case "--dat-merge":
+					case "--dat-merged":
 						splitType = SplitType.Merged;
 						break;
 					case "-dnm":
-					case "--dat-nonmerge":
+					case "--dat-nonmerged":
 						splitType = SplitType.NonMerged;
 						break;
 					case "-ds":