diff --git a/ml2/spiral.py b/ml3/spiral.py
similarity index 98%
rename from ml2/spiral.py
rename to ml3/spiral.py
index a5b52ec..5292aea 100644
--- a/ml2/spiral.py
+++ b/ml3/spiral.py
@@ -72,4 +72,4 @@ def plot_decision_surface(X, y, classifier):
     z = z.reshape(xx.shape)
     plt.contourf(xx, yy, z, cmap=cm, alpha=.8)
     
-    plot_dataset(X, y)
\ No newline at end of file
+    plot_dataset(X, y)