diff --git a/src/EntryPoint/Arguments/ArgumentMapper.cs b/src/EntryPoint/Arguments/ArgumentMapper.cs
index 363181b..b02eb27 100644
--- a/src/EntryPoint/Arguments/ArgumentMapper.cs
+++ b/src/EntryPoint/Arguments/ArgumentMapper.cs
@@ -108,7 +108,7 @@ static void ValidateTokensForDuplicateOptions(ArgumentModel model, List<TokenGro
 
             if (duplicates.Any()) {
                 throw new DuplicateOptionException(
-                    $"Duplicate options were entered for " 
+                    $"Duplicate options were provided for " 
                     + $"{string.Join("/", duplicates.Select(o => o.LongName))}");
             }
         }
diff --git a/src/EntryPoint/Arguments/ArgumentModel.cs b/src/EntryPoint/Arguments/ArgumentModel.cs
index 6ce3e88..612e640 100644
--- a/src/EntryPoint/Arguments/ArgumentModel.cs
+++ b/src/EntryPoint/Arguments/ArgumentModel.cs
@@ -86,8 +86,8 @@ void ValidateContigiousOperandMapping() {
 
                 // Position should always increase by 1
                 } else if (diff != 1) {
-                    throw new InvalidModelException("Non-contiguous Operand Positions. "
-                        + $"Operand positions should cover every position from min->max. {position} and {lastPosition} were next to each other");
+                    throw new InvalidModelException("Missing Operand Position(s). "
+                        + $"Operand positions should always increment by 1 from first->last. Positions {position} and {lastPosition} leave a gap");
                 }
 
                 lastPosition = position;
diff --git a/src/EntryPoint/Arguments/OptionStrategies/OptionStrategy.cs b/src/EntryPoint/Arguments/OptionStrategies/OptionStrategy.cs
index 8f81210..25ead5d 100644
--- a/src/EntryPoint/Arguments/OptionStrategies/OptionStrategy.cs
+++ b/src/EntryPoint/Arguments/OptionStrategies/OptionStrategy.cs
@@ -41,8 +41,9 @@ bool HasDoubleOption(Token arg, BaseOptionAttribute definition) {
         object CheckValue(bool value, Type outputType, BaseOptionAttribute definition) {
             if (outputType != typeof(bool)) {
                 throw new InvalidOperationException(
-                    $"The type of {Cli.DASH_DOUBLE}{definition.LongName} on the ArgumentsModel, " 
-                    + $"must be a boolean for {nameof(OptionAttribute)}");
+                    $"The type of {Cli.DASH_DOUBLE}{definition.LongName} on the ArgumentsModel, " + 
+                    $"must be a boolean for {nameof(OptionAttribute)}. " +
+                    $"For variable Options, you can use {nameof(OptionParameterAttribute)}");
             }
             return value;
         }
diff --git a/src/EntryPoint/CommandAttribute.cs b/src/EntryPoint/CommandAttribute.cs
index 9122f35..4f1f396 100644
--- a/src/EntryPoint/CommandAttribute.cs
+++ b/src/EntryPoint/CommandAttribute.cs
@@ -21,7 +21,7 @@ public class CommandAttribute : Attribute {
         public CommandAttribute(string Name) {
             if (Name == null || Name.Length == 0) {
                 throw new ArgumentException(
-                    "You must give a Command a name");
+                    $"A {nameof(CommandAttribute)} was not given a name");
             }
             this.Name = Name;
         }
diff --git a/test/Example/Properties/launchSettings.json b/test/Example/Properties/launchSettings.json
index aeb782b..65923d0 100644
--- a/test/Example/Properties/launchSettings.json
+++ b/test/Example/Properties/launchSettings.json
@@ -21,6 +21,10 @@
     "SecondaryCommand": {
       "commandName": "Project",
       "commandLineArgs": "Secondary \"operand one\" two three"
+    },
+    "CheckCommandDefaultError": {
+      "commandName": "Project",
+      "commandLineArgs": "one two three"
     }
   }
 }
\ No newline at end of file