diff --git a/modules/swagger-codegen/src/main/resources/csharp/api.mustache b/modules/swagger-codegen/src/main/resources/csharp/api.mustache
index 2b3f224cfc5..9c0c08fe8ed 100644
--- a/modules/swagger-codegen/src/main/resources/csharp/api.mustache
+++ b/modules/swagger-codegen/src/main/resources/csharp/api.mustache
@@ -72,7 +72,7 @@ namespace {{packageName}}.Api
     /// <summary>
     /// Represents a collection of functions to interact with the API endpoints
     /// </summary>
-    public class {{classname}} : I{{classname}}
+    public partial class {{classname}} : I{{classname}}
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="{{classname}}"/> class.
@@ -122,7 +122,7 @@ namespace {{packageName}}.Api
         /// Sets the base path of the API client.
         /// </summary>
         /// <value>The base path</value>
-        [Obsolete("SetBasePath is deprecated, please do 'Configuraiton.ApiClient = new ApiClient(\"http://new-path\")' instead.")]
+        [Obsolete("SetBasePath is deprecated, please do 'Configuration.ApiClient = new ApiClient(\"http://new-path\")' instead.")]
         public void SetBasePath(String basePath)
         {
             // do nothing