diff --git a/src/5.advanced_lighting/3.1.1.shadow_mapping_depth/shadow_mapping_depth.cpp b/src/5.advanced_lighting/3.1.1.shadow_mapping_depth/shadow_mapping_depth.cpp
index 5e74679..4d08854 100644
--- a/src/5.advanced_lighting/3.1.1.shadow_mapping_depth/shadow_mapping_depth.cpp
+++ b/src/5.advanced_lighting/3.1.1.shadow_mapping_depth/shadow_mapping_depth.cpp
@@ -96,7 +96,7 @@ int main()
 
          25.0f, -0.5f,  25.0f,  0.0f, 1.0f, 0.0f,  25.0f,  0.0f,
         -25.0f, -0.5f, -25.0f,  0.0f, 1.0f, 0.0f,   0.0f, 25.0f,
-         25.0f, -0.5f, -25.0f,  0.0f, 1.0f, 0.0f,  25.0f, 10.0f
+         25.0f, -0.5f, -25.0f,  0.0f, 1.0f, 0.0f,  25.0f, 25.0f
     };
     // plane VAO
     unsigned int planeVBO;