diff --git a/samples/client/petstore/ruby/lib/petstore/api/fake_api.rb b/samples/client/petstore/ruby/lib/petstore/api/fake_api.rb
index 932201de831..5fd692df099 100644
--- a/samples/client/petstore/ruby/lib/petstore/api/fake_api.rb
+++ b/samples/client/petstore/ruby/lib/petstore/api/fake_api.rb
@@ -273,6 +273,12 @@ def test_enum_parameters_with_http_info(opts = {})
       if opts[:'enum_query_string'] && !['_abc', '-efg', '(xyz)'].include?(opts[:'enum_query_string'])
         fail ArgumentError, 'invalid value for "enum_query_string", must be one of _abc, -efg, (xyz)'
       end
+      if opts[:'enum_query_integer'] && !['1', '-2'].include?(opts[:'enum_query_integer'])
+        fail ArgumentError, 'invalid value for "enum_query_integer", must be one of 1, -2'
+      end
+      if opts[:'enum_query_double'] && !['1.1', '-1.2'].include?(opts[:'enum_query_double'])
+        fail ArgumentError, 'invalid value for "enum_query_double", must be one of 1.1, -1.2'
+      end
       # resource path
       local_var_path = "/fake"
 
diff --git a/samples/server/petstore/rails5/README.md b/samples/server/petstore/rails5/README.md
index 841b82ad656..91fe3051c49 100644
--- a/samples/server/petstore/rails5/README.md
+++ b/samples/server/petstore/rails5/README.md
@@ -1,6 +1,6 @@
 # Swagger for Rails 5
 
-This is a project to provide Swagger support inside the [Sinatra](http://rubyonrails.org/) framework.
+This is a project to provide Swagger support inside the [Ruby on Rails](http://rubyonrails.org/) framework.
 
 ## Prerequisites
 You need to install ruby >= 2.2.2 and run: