diff --git a/src/northbridge/intel/gm45/memmap.c b/src/northbridge/intel/gm45/memmap.c
index d34820e..33abc51 100644
--- a/src/northbridge/intel/gm45/memmap.c
+++ b/src/northbridge/intel/gm45/memmap.c
@@ -133,8 +133,8 @@
 {
 	uintptr_t top_of_ram;
 
-	/* Cache 8 MiB region below the top of ram and 2 MiB above top of
-	 * ram to cover both cbmem as the TSEG region.
+	/* Cache 8 MiB region below the top of RAM and 2 MiB above top of
+	 * RAM to cover both cbmem as the TSEG region.
 	 */
 	top_of_ram = (uintptr_t)cbmem_top();
 	postcar_frame_add_mtrr(pcf, top_of_ram - 8*MiB, 8*MiB,