diff --git a/doc/board/sifive/unmatched.rst b/doc/board/sifive/unmatched.rst
index de2aab5..c515949 100644
--- a/doc/board/sifive/unmatched.rst
+++ b/doc/board/sifive/unmatched.rst
@@ -558,7 +558,7 @@
 	    --new=3:10280:10535 --change-name=3:env   --typecode=3:3DE21764-95BD-54BD-A5C3-4ABE786F38A8 \
 	    /dev/mtdblock0
 
-Write U-boot SPL and U-boot to their partitions.
+Write U-Boot SPL and U-Boot to their partitions.
 
 .. code-block:: none