diff --git a/src/kernels/10_kernel_warptiling.cuh b/src/kernels/10_kernel_warptiling.cuh
index 2cc66f3..2cbfaf1 100644
--- a/src/kernels/10_kernel_warptiling.cuh
+++ b/src/kernels/10_kernel_warptiling.cuh
@@ -112,7 +112,7 @@ __global__ void __launch_bounds__(NUM_THREADS)
 
   // size of the warp subtile
   constexpr uint WMITER = (WM * WN) / (WARPSIZE * TM * TN * WNITER);
-  constexpr uint WSUBM = WM / WMITER; // 64/2=32
+  constexpr uint WSUBM = WM / WMITER; // 64/1=64
   constexpr uint WSUBN = WN / WNITER; // 32/2=16
 
   // Placement of the thread in the warp subtile
@@ -184,4 +184,4 @@ __global__ void __launch_bounds__(NUM_THREADS)
       }
     }
   }
-}
\ No newline at end of file
+}