diff --git a/sys/amd64/amd64/initcpu.c b/sys/amd64/amd64/initcpu.c
index b9395bfc7f8..dbdd3d50266 100644
--- a/sys/amd64/amd64/initcpu.c
+++ b/sys/amd64/amd64/initcpu.c
@@ -558,7 +558,7 @@ initializecpu(void)
 	 * when need_pre_dma_flush = 1, use invd instruction after DMA
 	 * transfer when need_post_dma_flush = 1.  If your CPU upgrade
 	 * product support hardware cache control, you can add
-	 * UPGRADE_CPU_HW_CACHE option in your kernel configuration file.
+	 * CPU_UPGRADE_HW_CACHE option in your kernel configuration file.
 	 * This option elminate unneeded cache flush instruction.
 	 */
 	if (strcmp(cpu_vendor, "CyrixInstead") == 0) {
@@ -595,7 +595,7 @@ initializecpu(void)
 		need_pre_dma_flush = 1;
 #endif
 	}
-#endif /* PC98 && !UPGRADE_CPU_HW_CACHE */
+#endif /* PC98 && !CPU_UPGRADE_HW_CACHE */
 }
 
 #if defined(I586_CPU) && defined(CPU_WT_ALLOC)
diff --git a/sys/i386/i386/initcpu.c b/sys/i386/i386/initcpu.c
index b9395bfc7f8..dbdd3d50266 100644
--- a/sys/i386/i386/initcpu.c
+++ b/sys/i386/i386/initcpu.c
@@ -558,7 +558,7 @@ initializecpu(void)
 	 * when need_pre_dma_flush = 1, use invd instruction after DMA
 	 * transfer when need_post_dma_flush = 1.  If your CPU upgrade
 	 * product support hardware cache control, you can add
-	 * UPGRADE_CPU_HW_CACHE option in your kernel configuration file.
+	 * CPU_UPGRADE_HW_CACHE option in your kernel configuration file.
 	 * This option elminate unneeded cache flush instruction.
 	 */
 	if (strcmp(cpu_vendor, "CyrixInstead") == 0) {
@@ -595,7 +595,7 @@ initializecpu(void)
 		need_pre_dma_flush = 1;
 #endif
 	}
-#endif /* PC98 && !UPGRADE_CPU_HW_CACHE */
+#endif /* PC98 && !CPU_UPGRADE_HW_CACHE */
 }
 
 #if defined(I586_CPU) && defined(CPU_WT_ALLOC)