Update setup.html

_includes/dc/setup.html

@@ -21,7 +21,7 @@
 {% if site.flavor == "r" %}
 <p>
   The setup instructions for the Data Carpentry Ecology workshops (with R)
-  can be found at <a href="https://datacarpentry.org/ecology-workshop/setup-r-workshop.html">
+  can be found at <a href="https://datacarpentry.org/R-ecology-lesson-alternative/index.html">
     the workshop overview site</a>.
 </p>