diff --git a/2016/asm.slide b/2016/asm.slide
index 65ca53e..d75231d 100644
--- a/2016/asm.slide
+++ b/2016/asm.slide
@@ -221,7 +221,7 @@
 
 Look at the generated assembly for this simple program:
 
-.code asm/add.go.txt
+.code asm/add.go
 
 For each architecture, with some noise edited out: