diff --git a/Schematic-Builder.md b/Schematic-Builder.md
index 57d0381..92a4132 100644
--- a/Schematic-Builder.md
+++ b/Schematic-Builder.md
@@ -29,7 +29,9 @@ Copy a schematic file to the turtle/command computer (see downloading instructio
  
 ## Building
 Run:
+```
 builder <schematic file>
+```
 
 The first time you run the program, you must select a wrench. Place a wrench into the chest. Go to the supplies list and double-click the SelectAWrench item. Select the wrench and apply.