diff --git a/what_is_routing.md b/what_is_routing.md
index 0f3703d..4bc447c 100644
--- a/what_is_routing.md
+++ b/what_is_routing.md
@@ -1,4 +1,4 @@
-## What is Routing?
+# What is Routing?
 
 ## Lesson Objectives