diff --git a/testing/01_testing.md b/testing/01_testing.md
index 44f82fa..8983fb9 100644
--- a/testing/01_testing.md
+++ b/testing/01_testing.md
@@ -5,4 +5,10 @@
 !SLIDE
 # Unit::Test
 
-### See `tag_list.rb`
+### See `tag_list_test.rb`
+
+
+!SLIDE
+# RSpec
+
+### See `tag_list_spec.rb`
diff --git a/testing/tag_list.rb b/testing/tag_list_test.rb
similarity index 100%
rename from testing/tag_list.rb
rename to testing/tag_list_test.rb