diff --git a/lib/koans/02_strings.ex b/lib/koans/02_strings.ex
index b2c1e7a..6d798dc 100644
--- a/lib/koans/02_strings.ex
+++ b/lib/koans/02_strings.ex
@@ -28,7 +28,7 @@ defmodule Strings do
   end
 
   koan "Other times a little cleaning is in order" do
-    assert String.strip("  \n banana\n  ") == ___
+    assert String.trim("  \n banana\n  ") == ___
   end
 
   koan "Repetition is the mother of learning" do