add section anchor for setup instructions link

Author: tobyhodges

learners/setup.md

@@ -2,6 +2,6 @@
 title: Setup
 ---
 
-This lesson is designed to be taught in conjunction with other lessons in the [Data Carpentry Geospatial workshop](https://www.datacarpentry.org/geospatial-workshop/). For information about required software, and to access the datasets used in this lesson, see the [setup instructions](https://www.datacarpentry.org/geospatial-workshop/) on the workshop homepage.
+This lesson is designed to be taught in conjunction with other lessons in the [Data Carpentry Geospatial workshop](https://www.datacarpentry.org/geospatial-workshop/). For information about required software, and to access the datasets used in this lesson, see the [setup instructions](https://www.datacarpentry.org/geospatial-workshop/index.html#setup) on the workshop homepage.