unintentional spelling error

Signed-off-by: Leah Rowe <leah@libreboot.org>

site/docs/install/e6430.md

@@ -43,7 +43,7 @@ It is recommended that you run *nvmutil*. See:
 The `nvmutil` software is specifically designed for changing MAC addresses,
 and it implements a few more safeguards (e.g. prevents multicast/all-zero
 MAC addresses) and features (MAC address randomisation, ability to correct or
-intententionally corrupt(disable) GbE sections if you wish, swap GbE parts,
+intentionally corrupt(disable) GbE sections if you wish, swap GbE parts,
 etc). - **it is also the only software available for this. Please do not
 use ich9gen on this board. This is an ivybridge board, not ICH9M.**