Merge pull request #278 from montoyamoraga/master

fix link in curves tutorial

Author: montoyamoraga

src/templates/pages/learn/curves.hbs

@@ -79,7 +79,7 @@ slug: learn/
       </p>
 
       <!-- iframe for the curve and dragging points -->
-      <iframe src="{{assets}}/learn/Curves/curve_ex/embed.html" width="350px" height="350px">
+      <iframe src="{{assets}}/learn/curves/curve_ex/embed.html" width="350px" height="350px">
       </iframe>