diff --git a/modules/swagger-codegen/src/main/resources/csharp/Configuration.mustache b/modules/swagger-codegen/src/main/resources/csharp/Configuration.mustache
index 2932c59eb10..b8cd6c1b330 100644
--- a/modules/swagger-codegen/src/main/resources/csharp/Configuration.mustache
+++ b/modules/swagger-codegen/src/main/resources/csharp/Configuration.mustache
@@ -169,14 +169,14 @@ namespace {{packageName}}.Client
         /// <param name="key">Api Key name.</param>
         /// <param name="value">Api Key value.</param>
         /// <returns></returns>
-		public void AddApiKey(string key, string value)
+        public void AddApiKey(string key, string value)
         {
             if (ApiKey.ContainsKey(key))
                 ApiKey.Remove(key);
             ApiKey.Add(key, value);
         }
 
-		/// <summary>
+        /// <summary>
         /// Sets the API key prefix.
         /// </summary>
         /// <param name="key">Api Key name.</param>
@@ -188,7 +188,6 @@ namespace {{packageName}}.Client
             ApiKeyPrefix.Add(key, value);
         }
 
-		
         /// <summary>
         /// Gets or sets the HTTP user agent.
         /// </summary>