diff --git a/app.rb b/app.rb
index ce01403..d0ea690 100644
--- a/app.rb
+++ b/app.rb
@@ -20,6 +20,10 @@ class TonTonWeb::App < Sinatra::Base
 		markdown request.path_info.to_sym, layout_engine: :erb, layout: true
 	end
 
+	get '/chapa-sigmoide' do
+		redirect "/chapa-sigmoide/readme.markdown"
+	end
+
 	get '/chapa-sigmoide/:name' do
 		if request.path_info.end_with? '.markdown'
 			markdown request.path_info.sub('.markdown', '').to_sym, layout_engine: :erb, layout: :chapa_sigmoide