diff --git a/README.md b/README.md
index bf1d7bd..50c48b6 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,10 @@ See 420Project17fall.pdf
 
 use this script to download the data files, because I'm not hosting them here.
 
+~~~~
 mkdir "data"
 for i in {0..28}
 do
 	wget "http://courses.cse.tamu.edu/daugher/misc/PPP/homeworks/data/${i}states.bin" -O "data/${i}.bin"
 done
+~~~~