diff --git a/README.md b/README.md
index 48b3bed..ce2ea59 100644
--- a/README.md
+++ b/README.md
@@ -21,5 +21,6 @@ More info can be found in the lc3tools readme:
 
 ## Compile and run the caser.asm file.
 
+    cd ceaser-cipher-lc-3/
     rm ceaser.obj ; ~/lc3tools/lc3as ceaser.asm && ~/lc3tools/lc3sim ceaser.obj