diff --git a/docs/04 Advanced OpenGL/02 Stencil testing.md b/docs/04 Advanced OpenGL/02 Stencil testing.md
index 6aec6fc..26bcfcc 100644
--- a/docs/04 Advanced OpenGL/02 Stencil testing.md	
+++ b/docs/04 Advanced OpenGL/02 Stencil testing.md	
@@ -125,7 +125,7 @@ void main()
 我们首先启用模板测试，并设置测试通过或失败时的行为：
 
 ```c++
-glEnable(GL_DEPTH_TEST);
+glEnable(GL_STENCIL_TEST);
 glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
 ```