diff --git a/source/chapter3/07_Patterns.md b/source/chapter3/07_Patterns.md
index 54cf38d5..c639a508 100755
--- a/source/chapter3/07_Patterns.md
+++ b/source/chapter3/07_Patterns.md
@@ -98,7 +98,7 @@ case let (x, y):
 let points = [(0, 0), (1, 0), (1, 1), (2, 0), (2, 1)]
 // This code isn't valid.
 for (x, 0) in points {
-/* ... */
+    /* ... */
 }
 ```