Update index.md

kenyonj · web-flow · commit 026b86dd2f2d · 2019-07-05T12:28:07.000-04:00
oxford comma
diff --git a/topics/open-data/index.md b/topics/open-data/index.md
@@ -6,4 +6,4 @@ short_description: Open data can be freely used, re-used and redistributed by an
 topic: open-data
 wikipedia_url: https://en.wikipedia.org/wiki/Open_data
 ---
-Open data is data that can be freely used, re-used and redistributed by anyone - subject only, at most, to the requirement to attribute and sharealike.
+Open data is data that can be freely used, re-used, and redistributed by anyone - subject only, at most, to the requirement to attribute and sharealike.
