diff --git a/pa3/simulator.h b/pa3/simulator.h
index 40a3cf9..f8995aa 100644
--- a/pa3/simulator.h
+++ b/pa3/simulator.h
@@ -64,7 +64,7 @@ int dmem_cycles = 0;
 int exe_busy = 0;
 int exe_cycles = 1;
 
-#define NUM_LINES 32 // 1024 bytes (cache size) / 64 bytes (block size)
+#define NUM_LINES 32 // 1024 bytes (cache size) / 32 bytes (block size)
 
 typedef struct {
    int valid;