diff --git a/koans/about_triangle_project_2.rb b/koans/about_triangle_project_2.rb
index f9e4728..a0f2716 100644
--- a/koans/about_triangle_project_2.rb
+++ b/koans/about_triangle_project_2.rb
@@ -3,7 +3,7 @@ require 'edgecase'
 # You need to write the triangle method in the file 'triangle.rb'
 require 'triangle.rb'
 
-class AboutTriangleAssignment < EdgeCase::Koan
+class AboutTriangleAssignment2 < EdgeCase::Koan
   # The first assignment did not talk about how to handle errors.
   # Let's handle that part now.
   def test_illegal_triangles_throw_exceptions