doc: Fix typo in FIT documentation
u_boot should be u-boot
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/doc/uImage.FIT/source_file_format.txt b/doc/uImage.FIT/source_file_format.txt
index 884a584..633f227 100644
--- a/doc/uImage.FIT/source_file_format.txt
+++ b/doc/uImage.FIT/source_file_format.txt
@@ -172,7 +172,7 @@
- os : OS name, mandatory for types "kernel" and "ramdisk". Valid OS names
are: "openbsd", "netbsd", "freebsd", "4_4bsd", "linux", "svr4", "esix",
"solaris", "irix", "sco", "dell", "ncr", "lynxos", "vxworks", "psos", "qnx",
- "u_boot", "rtems", "unity", "integrity".
+ "u-boot", "rtems", "unity", "integrity".
- arch : Architecture name, mandatory for types: "standalone", "kernel",
"firmware", "ramdisk" and "fdt". Valid architecture names are: "alpha",
"arm", "i386", "ia64", "mips", "mips64", "ppc", "s390", "sh", "sparc",