Yep, it's normal. That link was placed there a long time ago when securityarms was much less advertising-centric.
Since google images will find virtually anything, that link isn't so useful anymore. Maybe it should be removed.
“The egg hatched...” “...the egg hatched... and a hundred baby spiders came out...”
“Who are you?” “A friend. I'm here to prevent you from making a mistake.” “You have no idea what I'm doing here, friend.” “In specific terms, no, but I swore an oath to protect the world...”
“It's a goal you won't understand until later. Your job is to make sure he doesn't achieve the goal.”