diff --git a/README.md b/README.md
index e635358..d6ba986 100644
--- a/README.md
+++ b/README.md
@@ -85,18 +85,18 @@ end
 
 ```ruby
 # Serializer options can be specified on routes or namespaces.
-namespace 'foo', :serializer => :bar do
+namespace 'foo', :serializer => BarSerializer do
   get "/" do
     # will use "bar" serializer
   end
 
   # Options specified on a route or namespace override those of the containing namespace.
-  get "/home", :serializer => :home do
+  get "/home", :serializer => HomeSerializer do
     # will use "home" serializer
   end
 
   # All standard options for `ActiveModel::Serializers` are supported.
-  get "/fancy_homes", :root => 'world', :each_serializer => :fancy_homes
+  get "/fancy_homes", :root => 'world', :each_serializer => FancyHomesSerializer
   ...
   end
 end