diff --git a/docs/generators/aspnetcore.md b/docs/generators/aspnetcore.md
index 0a30830099f..99f0b789bdc 100644
--- a/docs/generators/aspnetcore.md
+++ b/docs/generators/aspnetcore.md
@@ -7,9 +7,9 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 
 | Option | Description | Values | Default |
 | ------ | ----------- | ------ | ------- |
-|aspnetCoreVersion|ASP.NET Core version: 5.0, 3.1, 3.0, 2.2, 2.1, 2.0 (deprecated)| |3.1|
-|buildTarget|Target to build an application or library| |program|
-|classModifier|Class Modifier for controller classes: Empty string or abstract.| ||
+|aspnetCoreVersion|ASP.NET Core version: 5.0, 3.1, 3.0, 2.2, 2.1, 2.0 (deprecated)|<dl><dt>**2.0**</dt><dd>ASP.NET Core 2.0</dd><dt>**2.1**</dt><dd>ASP.NET Core 2.1</dd><dt>**2.2**</dt><dd>ASP.NET Core 2.2</dd><dt>**3.0**</dt><dd>ASP.NET Core 3.0</dd><dt>**3.1**</dt><dd>ASP.NET Core 3.1</dd><dt>**5.0**</dt><dd>ASP.NET Core 5.0</dd></dl>|3.1|
+|buildTarget|Target to build an application or library|<dl><dt>**program**</dt><dd>Generate code for a standalone server</dd><dt>**library**</dt><dd>Generate code for a server abstract class library</dd></dl>|program|
+|classModifier|Class Modifier for controller classes: Empty string or abstract.|<dl><dt>****</dt><dd>Keep class default with no modifier</dd><dt>**abstract**</dt><dd>Make class abstract</dd></dl>||
 |compatibilityVersion|ASP.Net Core CompatibilityVersion| |Version_2_2|
 |enumNameSuffix|Suffix that will be appended to all enum names.| |Enum|
 |enumValueSuffix|Suffix that will be appended to all enum values.| |Enum|
@@ -17,10 +17,10 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |isLibrary|Is the build a library| |false|
 |licenseName|The name of the license| |NoLicense|
 |licenseUrl|The URL of the license| |http://localhost|
-|modelClassModifier|Model Class Modifier can be nothing or partial| |partial|
+|modelClassModifier|Model Class Modifier can be nothing or partial|<dl><dt>****</dt><dd>Keep model class default with no modifier</dd><dt>**partial**</dt><dd>Make model class partial</dd></dl>|partial|
 |newtonsoftVersion|Version for Microsoft.AspNetCore.Mvc.NewtonsoftJson for ASP.NET Core 3.0+| |3.0.0|
 |operationIsAsync|Set methods to async or sync (default).| |false|
-|operationModifier|Operation Modifier can be virtual or abstract| |virtual|
+|operationModifier|Operation Modifier can be virtual or abstract|<dl><dt>**virtual**</dt><dd>Keep method virtual</dd><dt>**abstract**</dt><dd>Make method abstract</dd></dl>|virtual|
 |operationResultTask|Set methods result to Task&lt;&gt;.| |false|
 |packageAuthors|Specifies Authors property in the .NET Core project file.| |OpenAPI|
 |packageCopyright|Specifies an AssemblyCopyright for the .NET Framework global assembly attributes stored in the AssemblyInfo file.| |No Copyright|
@@ -32,7 +32,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |returnICollection|Return ICollection&lt;T&gt; instead of the concrete type.| |false|
 |sortParamsByRequiredFlag|Sort method arguments to place required parameters before optional parameters.| |true|
 |sourceFolder|source folder for generated code| |src|
-|swashbuckleVersion|Swashbuckle version: 3.0.0, 4.0.0, 5.0.0| |3.0.0|
+|swashbuckleVersion|Swashbuckle version: 3.0.0, 4.0.0, 5.0.0|<dl><dt>**3.0.0**</dt><dd>Swashbuckle 3.0.0</dd><dt>**4.0.0**</dt><dd>Swashbuckle 4.0.0</dd><dt>**5.0.0**</dt><dd>Swashbuckle 5.0.0</dd></dl>|3.0.0|
 |useCollection|Deserialize array types to Collection&lt;T&gt; instead of List&lt;T&gt;.| |false|
 |useDateTimeOffset|Use DateTimeOffset to model date-time properties| |false|
 |useDefaultRouting|Use default routing for the ASP.NET Core version.| |true|
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AspNetCoreServerCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AspNetCoreServerCodegen.java
index 7786ba8b092..f7c24196331 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AspNetCoreServerCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AspNetCoreServerCodegen.java
@@ -199,14 +199,14 @@ public class AspNetCoreServerCodegen extends AbstractCSharpCodegen {
         aspnetCoreVersion.addEnum("5.0", "ASP.NET Core 5.0");
         aspnetCoreVersion.setDefault("3.1");
         aspnetCoreVersion.setOptValue(aspnetCoreVersion.getDefault());
-        addOption(aspnetCoreVersion.getOpt(), aspnetCoreVersion.getDescription(), aspnetCoreVersion.getOptValue());
+        cliOptions.add(aspnetCoreVersion);
 
         swashbuckleVersion.addEnum("3.0.0", "Swashbuckle 3.0.0");
         swashbuckleVersion.addEnum("4.0.0", "Swashbuckle 4.0.0");
         swashbuckleVersion.addEnum("5.0.0", "Swashbuckle 5.0.0");
         swashbuckleVersion.setDefault("3.0.0");
         swashbuckleVersion.setOptValue(swashbuckleVersion.getDefault());
-        addOption(swashbuckleVersion.getOpt(), swashbuckleVersion.getDescription(), swashbuckleVersion.getOptValue());
+        cliOptions.add(swashbuckleVersion);
 
         // CLI Switches
         addSwitch(CodegenConstants.SORT_PARAMS_BY_REQUIRED_FLAG,
@@ -261,19 +261,19 @@ public class AspNetCoreServerCodegen extends AbstractCSharpCodegen {
         classModifier.addEnum("abstract", "Make class abstract");
         classModifier.setDefault("");
         classModifier.setOptValue(classModifier.getDefault());
-        addOption(classModifier.getOpt(), classModifier.getDescription(), classModifier.getOptValue());
+        cliOptions.add(classModifier);
 
         operationModifier.addEnum("virtual", "Keep method virtual");
         operationModifier.addEnum("abstract", "Make method abstract");
         operationModifier.setDefault("virtual");
         operationModifier.setOptValue(operationModifier.getDefault());
-        addOption(operationModifier.getOpt(), operationModifier.getDescription(), operationModifier.getOptValue());
+        cliOptions.add(operationModifier);
 
         buildTarget.addEnum("program", "Generate code for a standalone server");
         buildTarget.addEnum("library", "Generate code for a server abstract class library");
         buildTarget.setDefault("program");
         buildTarget.setOptValue(buildTarget.getDefault());
-        addOption(buildTarget.getOpt(), buildTarget.getDescription(), buildTarget.getOptValue());
+        cliOptions.add(buildTarget);
 
         addSwitch(GENERATE_BODY,
                 "Generates method body.",
@@ -292,7 +292,7 @@ public class AspNetCoreServerCodegen extends AbstractCSharpCodegen {
         modelClassModifier.addEnum("partial", "Make model class partial");
         modelClassModifier.setDefault("partial");
         modelClassModifier.setOptValue(modelClassModifier.getDefault());
-        addOption(modelClassModifier.getOpt(), modelClassModifier.getDescription(), modelClassModifier.getOptValue());
+        cliOptions.add(modelClassModifier);
     }
 
     @Override