diff --git a/webgl/lessons/webgl-texture-units.md b/webgl/lessons/webgl-texture-units.md
index b5231dd4..c578b583 100644
--- a/webgl/lessons/webgl-texture-units.md
+++ b/webgl/lessons/webgl-texture-units.md
@@ -29,15 +29,15 @@ it would have some global state that looks like this
 const gl = {
   activeTextureUnit: 0,
   textureUnits: [
-    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY, null, },
-    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY, null, },
-    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY, null, },
-    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY, null, },
-    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY, null, },
-    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY, null, },
-    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY, null, },
-    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY, null, },
-    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY, null, },
+    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY: null, },
+    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY: null, },
+    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY: null, },
+    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY: null, },
+    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY: null, },
+    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY: null, },
+    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY: null, },
+    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY: null, },
+    { TEXTURE_2D: null, TEXTURE_CUBE_MAP: null, TEXTURE_3D: null, TEXTURE_2D_ARRAY: null, },
   ];
 }
 ```