diff --git a/readme.md b/readme.md
index eedc4af..dda9759 100644
--- a/readme.md
+++ b/readme.md
@@ -16,7 +16,7 @@ Cardiograph is an imaginary computer. It has three main components:
 ### Quick examples
 
 Assemble and run:  
-```./assembler.js -i <source.asm> | cardiograph.js```
+```./assembler.js -i <source.asm> | ./cardiograph.js```
 
 Assemble to a file:  
 ```./assembler.js -i <source.asm> -o <machinecode.out>```