diff --git a/sbin/growfs/growfs.c b/sbin/growfs/growfs.c
index b8a81c25b7df..96897e2f8db9 100644
--- a/sbin/growfs/growfs.c
+++ b/sbin/growfs/growfs.c
@@ -201,7 +201,7 @@ growfs(int fsi, int fso, unsigned int Nflag)
 	 * Now build the cylinders group blocks and
 	 * then print out indices of cylinder groups.
 	 */
-	printf("super-block backups (for fsck -b #) at:\n");
+	printf("super-block backups (for fsck_ffs -b #) at:\n");
 	i = 0;
 	width = charsperline();
 
diff --git a/sbin/newfs/mkfs.c b/sbin/newfs/mkfs.c
index 8bcd56fb39a1..ee6ed96da1aa 100644
--- a/sbin/newfs/mkfs.c
+++ b/sbin/newfs/mkfs.c
@@ -544,7 +544,7 @@ restart:
 	 * Now build the cylinders group blocks and
 	 * then print out indices of cylinder groups.
 	 */
-	printf("super-block backups (for fsck -b #) at:\n");
+	printf("super-block backups (for fsck_ffs -b #) at:\n");
 	i = 0;
 	width = charsperline();
 	/*