diff --git a/src/part-5-intro.md b/src/part-5-intro.md
index f32508d2..be29690b 100644
--- a/src/part-5-intro.md
+++ b/src/part-5-intro.md
@@ -1,4 +1,4 @@
-# From MIR to Binaries
+# Part 5: From MIR to Binaries
 
 All of the preceding chapters of this guide have one thing in common:
 we never generated any executable machine code at all!