Update README.md (#332)

README.md

@@ -6,3 +6,10 @@ Note that this is only a temporary location for articles, etc., while they are b
 To view a page as HTML, go to https://w3c.github.io/i18n-drafts/ and add the appropriate path to the file you want to view. You'll need to provide the filename plus language extension as a minimum, eg. https://w3c.github.io/i18n-drafts/articles/vertical-text.en
 
 If you want to translate one or more of these resources, see the [Translation intructions](https://www.w3.org/International/i18n-drafts/pages/translation) page.
+
+### Contributing
+
+Editors should be familiar with and use the following:
+
+- [GitHub guidelines for working with i18n documents](https://www.w3.org/International/i18n-activity/guidelines/github)
+- [Editorial guidelines for working with i18n documents](https://www.w3.org/International/i18n-activity/guidelines/editing)