diff --git a/src/Microsoft.OpenApi/Models/OpenApiDocument.cs b/src/Microsoft.OpenApi/Models/OpenApiDocument.cs
index 0261fcff9..bf8458f2c 100644
--- a/src/Microsoft.OpenApi/Models/OpenApiDocument.cs
+++ b/src/Microsoft.OpenApi/Models/OpenApiDocument.cs
@@ -21,7 +21,7 @@
 namespace Microsoft.OpenApi.Models
 {
     /// <summary>
-    /// Describes an OpenAPI object (OpenAPI document). See: https://swagger.io/specification
+    /// Describes an OpenAPI object (OpenAPI document). See: https://spec.openapis.org
     /// </summary>
     public class OpenApiDocument : IOpenApiSerializable, IOpenApiExtensible, IOpenApiAnnotatable
     {