Fix spelling error in Doxygen comment
Fix spelling error in Doxygen comment

"Named used" corrected to read "Named using" in two places.

Signed-off-by: Wincent Colaiuta <c76ac2e9cd86441713c7dfae92c451f3e6d17fdc@wincent.com>

wincent/WOPublic,wincent/WOPublic