Fix description-synopsis-starts-with-article warning
Fix description-synopsis-starts-with-article warning

Signed-off-by: Daniel Thomas <d4b39ddee572bac5e49e9985d163406f8c7a0a92@srcf.ucam.org>

mas90/libapache2-mod-ucam-webauth,ucam-cl-dtg/libapache2-mod-ucam-webauth