diff --git a/docs/beginner/tutorial7-instancing/README.md b/docs/beginner/tutorial7-instancing/README.md
index 6f444ce5..94d2ff5e 100644
--- a/docs/beginner/tutorial7-instancing/README.md
+++ b/docs/beginner/tutorial7-instancing/README.md
@@ -229,10 +229,10 @@ We need to reference the parts of our new matrix in `shader.wgsl` so that we can
 
 ```wgsl
 struct InstanceInput {
-    @location(5) model_matrix_0: vec4<f32>;
-    @location(6) model_matrix_1: vec4<f32>;
-    @location(7) model_matrix_2: vec4<f32>;
-    @location(8) model_matrix_3: vec4<f32>;
+    @location(5) model_matrix_0: vec4<f32>,
+    @location(6) model_matrix_1: vec4<f32>,
+    @location(7) model_matrix_2: vec4<f32>,
+    @location(8) model_matrix_3: vec4<f32>,
 };
 ```