diff --git a/assign1/README.md b/assign1/README.md
index 546ce3e5ba7074a2720516ff7d69edf7dc04529b..8ccfb1d6fdaaaa5c607cbb805e47f9eb746b5777 100644
--- a/assign1/README.md
+++ b/assign1/README.md
@@ -165,7 +165,7 @@ any credit, do not define a `Tile`-specific version of rotate or use
 The rotation functions work as follows: ![rotate2](rotate2.svg)
 
 
-### testing
+## Testing
 
 The provided copy of `assign1Tests.swift` should have been copied
 **unaltered** into your project. Test your project by