Update README.md

Fix per Mattias.

Author: luciansmith

support-docs/README.md

@@ -7,7 +7,7 @@ If you are working on the site, or want to change text or other content, here is
 
 1. Start by reading the information in [site-organization](./site-organization), which summarizes how the size is organized.
 
-2. Next, consult the file [how-to-run-development-server](./how-tos/how-to-run-development-server.md) for an explanation of how to run a local development server so that you can preview the site on your personal computer and see the changes updated live as you make edits.
+2. Next, consult the file [how-to-run-local-copy](./how-tos/how-to-run-local-copy.md) for an explanation of how to run a local development server so that you can preview the site on your personal computer and see the changes updated live as you make edits.
 
 3. Then, consult the rest of the explanations in the [how-tos](./how-tos) directory to learn how to do things such as how to request changes to the life site.