diff --git a/Chapter 21 Ambient Occlusion/Ssao/Shaders/DrawNormals.hlsl b/Chapter 21 Ambient Occlusion/Ssao/Shaders/DrawNormals.hlsl
index a0c0440..45cf020 100644
--- a/Chapter 21 Ambient Occlusion/Ssao/Shaders/DrawNormals.hlsl	
+++ b/Chapter 21 Ambient Occlusion/Ssao/Shaders/DrawNormals.hlsl	
@@ -41,7 +41,7 @@ VertexOut VS(VertexIn vin)
 	// Fetch the material data.
 	MaterialData matData = gMaterialData[gMaterialIndex];
 	
-    // Assumes nonuniform scaling; otherwise, need to use inverse-transpose of world matrix.
+    // Assumes uniform scaling; otherwise, need to use inverse-transpose of world matrix.
     vout.NormalW = mul(vin.NormalL, (float3x3)gWorld);
 	vout.TangentW = mul(vin.TangentU, (float3x3)gWorld);