diff --git a/SabreTools.CommandLine.Test/CommandSetTests.cs b/SabreTools.CommandLine.Test/CommandSetTests.cs
index 7a71ee1..b1ee7ca 100644
--- a/SabreTools.CommandLine.Test/CommandSetTests.cs
+++ b/SabreTools.CommandLine.Test/CommandSetTests.cs
@@ -72,7 +72,7 @@ namespace SabreTools.CommandLine.Test
         }
 
         [Fact]
-        public void TopLevelFlagTest()
+        public void IsTopLevelTest()
         {
             var input1 = new FlagInput("input1", "--input1", "input1");
             var input2 = new FlagInput("input2", "--input2", "input2");
@@ -81,13 +81,13 @@ namespace SabreTools.CommandLine.Test
             featureSet.Add(input1);
             featureSet.Add(input2);
 
-            bool actualTop1 = featureSet.TopLevelFlag("input1");
+            bool actualTop1 = featureSet.IsTopLevel("input1");
             Assert.True(actualTop1);
 
-            bool actualTop2 = featureSet.TopLevelFlag("--input2");
+            bool actualTop2 = featureSet.IsTopLevel("--input2");
             Assert.True(actualTop2);
 
-            bool actualTop3 = featureSet.TopLevelFlag("input3");
+            bool actualTop3 = featureSet.IsTopLevel("input3");
             Assert.False(actualTop3);
         }
     }
diff --git a/SabreTools.CommandLine/CommandSet.cs b/SabreTools.CommandLine/CommandSet.cs
index e04528c..b5bc4d7 100644
--- a/SabreTools.CommandLine/CommandSet.cs
+++ b/SabreTools.CommandLine/CommandSet.cs
@@ -106,10 +106,12 @@ namespace SabreTools.CommandLine
         /// <summary>
         /// Get the input name for a given flag or short name
         /// </summary>
-        public string GetInputName(string name)
+        /// <param name="value">Name or flag value to match</param>
+        /// <returns>User input name on success, empty string on error</returns>
+        public string GetInputName(string value)
         {
             // Pre-split the input for efficiency
-            string[] splitInput = name.Split('=');
+            string[] splitInput = value.Split('=');
 
             foreach (var key in _inputs.Keys)
             {
@@ -147,12 +149,12 @@ namespace SabreTools.CommandLine
         }
 
         /// <summary>
-        /// Check if a flag is a top-level (main application) flag
+        /// Check if a value is a direct child input
         /// </summary>
-        /// <param name="flag">Name of the flag to check</param>
+        /// <param name="value">Name or flag value to match</param>
         /// <returns>True if the feature was found, false otherwise</returns>
-        public bool TopLevelFlag(string flag)
-            => GetInputName(flag).Length > 0;
+        public bool IsTopLevel(string value)
+            => GetInputName(value).Length > 0;
 
         #endregion
 
@@ -232,7 +234,7 @@ namespace SabreTools.CommandLine
             }
 
             // If a top-level input is found
-            if (TopLevelFlag(featureName!))
+            if (IsTopLevel(featureName!))
             {
                 // Retrieve the input
                 featureName = GetInputName(featureName!);