diff --git a/samples/server-generator/sinatra/output/README.md b/samples/server-generator/sinatra/output/README.md
index 4791f77eedd..beec4407438 100644
--- a/samples/server-generator/sinatra/output/README.md
+++ b/samples/server-generator/sinatra/output/README.md
@@ -14,6 +14,7 @@ sinatra-cross_origin
 ```
 
 ## Getting started
+This sample was generated with the [swagger-codegen](https://github.com/wordnik/swagger-codegen) project.
 
 ```
 rackup -p 4567 examples/config.ru
diff --git a/samples/server-generator/sinatra/templates/README.md b/samples/server-generator/sinatra/templates/README.md
index 4791f77eedd..beec4407438 100644
--- a/samples/server-generator/sinatra/templates/README.md
+++ b/samples/server-generator/sinatra/templates/README.md
@@ -14,6 +14,7 @@ sinatra-cross_origin
 ```
 
 ## Getting started
+This sample was generated with the [swagger-codegen](https://github.com/wordnik/swagger-codegen) project.
 
 ```
 rackup -p 4567 examples/config.ru