chore: Document explicit date format

mafredri · mafredri · commit 54c547b1a7a8 · 2022-04-25T17:56:55.000+03:00
diff --git a/docs/README.md b/docs/README.md
@@ -68,7 +68,7 @@ Read the [contributing docs](./CONTRIBUTING.md).
 
 # Contributors
 
-<!--- Add your row by date, most recent date at end of list --->
+<!--- Add your row by date (mm/dd/yyyy), most recent date at end of list --->
 
 | Name          | Start Date | First PR Date |Organization|                GitHub User Link |
 | ------------- | :--------: | :-----------: |:----------:| ------------------------------: |
