diff --git a/intermediate-pathway-scripting/README.md b/intermediate-pathway-scripting/README.md
index e5b2340..7e4edea 100644
--- a/intermediate-pathway-scripting/README.md
+++ b/intermediate-pathway-scripting/README.md
@@ -2,3 +2,5 @@
 [Link to wiki page](https://github.com/gladstone-institutes/Bioinformatics-Workshops/wiki/Introduction-to-Pathway-Analysis-Using-R)
 
 ### Description of files
+* Preworkshop-instructions.R should be run prior to the workshop 
+* CSV files are example subsets and pathway enrichment results; these are not required for the workshop