+## Where to Contribute
+
+1. If you wish to change this lesson,
+ please work in <https://github.com/swcarpentry/FIXME>,
+ which can be viewed at <https://swcarpentry.github.io/FIXME>.
+
+2. If you wish to change the example lesson,
+ please work in <https://github.com/swcarpentry/lesson-example>,
+ which documents the format of our lessons
+ and can be viewed at <https://swcarpentry.github.io/lesson-example>.
+
+3. If you wish to change the template used for workshop websites,
+ please work in <https://github.com/swcarpentry/workshop-template>.
+ The home page of that repository explains how to set up workshop websites,
+ while the extra pages in <https://swcarpentry.github.io/workshop-template>
+ provide more background on our design choices.
+
+4. If you wish to change CSS style files, tools,
+ or HTML boilerplate for lessons or workshops stored in `_includes` or `_layouts`,
+ please work in <https://github.com/swcarpentry/styles>.
+
+## What to Contribute