diff --git a/book/src/chapter_1.md b/book/src/chapter_1.md
index 1f8a6da488463aa976d3d5774148a86559a38760..ba7ff430ebe2e0a1ae47f91249c5f09e1929f04b 100644
--- a/book/src/chapter_1.md
+++ b/book/src/chapter_1.md
@@ -35,7 +35,7 @@ fn startup(
                 }}
             />
         </KayakAppBundle>
-    }
+    };
     
     commands.spawn(UICameraBundle::new(widget_context));
 }