diff --git a/labs/labs_01.md b/labs/labs_01.md
index 70dd20da354d2795b3682e408c4e7ef40918f7ff..2da87973f9b9c2a30cd17af0831fddb571ef4503 100644
--- a/labs/labs_01.md
+++ b/labs/labs_01.md
@@ -87,9 +87,11 @@ You will have to complete the interpreter by implementing the missing methods (m
 
 When you are done, use sbt to try some of your programs from Part 1:
 
+```
   $ sbt
   > run library/Std.scala examples/Hello.scala
   Hello world!
+```
 
 There is also testing infrastructure under `/test`. To add your own tests, you have to add your testcases under `/test/resources/interpreter/passing`
 and the expected output under