diff --git a/util/cbfstool/cbfstool.c b/util/cbfstool/cbfstool.c
index 783c7d9892..1b9931063e 100644
--- a/util/cbfstool/cbfstool.c
+++ b/util/cbfstool/cbfstool.c
@@ -1975,7 +1975,7 @@ static void usage(char *name)
 	     "        [-c compression] [-b base-address | -a alignment] \\\n"
 	     "        [-p padding size] [-y|--xip if TYPE is FSP]       \\\n"
 	     "        [-j topswap-size] (Intel CPUs only) [--ibb]       \\\n"
-	     "        [--mmio flash-base:mmio-base:size]                    "
+	     "        [--mmap flash-base:mmio-base:size]                    "
 			"Add a component\n"
 	     "                                                         "
 	     "    -j valid size: 0x10000 0x20000 0x40000 0x80000 0x100000 \n"
@@ -1988,7 +1988,7 @@ static void usage(char *name)
 	     "        [-S comma-separated-section(s)-to-ignore] \\\n"
 	     "        [-a alignment] [-Q|--pow2page] \\\n"
 	     "        [-y|--xip] [--ibb]                                \\\n"
-	     "        [--mmio flash-base:mmio-base:size]                    "
+	     "        [--mmap flash-base:mmio-base:size]                    "
 			"Add a stage to the ROM\n"
 	     " add-flat-binary [-r image,regions] -f FILE -n NAME \\\n"
 	     "        [-A hash] -l load-address -e entry-point \\\n"