added first author description

README.md

@@ -11,6 +11,11 @@ to data, methods, or diagrams that are relevant.
 The report is scored 0-100. Over 70 is passing. Late submissions receive 10
 point penalty per day. 
 
+Part of your "writing assignments" grade is based upon the reports that you make
+the final edits and improve the flow. The first author listed will gets credit
+for the writing assignment portions. Take turns as first author and co-author.
+The group shares the pass/fail grade for the "lab report" grade.
+
 
 ## Repository for laboratory notebooks