[VE][111] It says "an attribute value literal can occur in an attribute specification list only after a VI delimiter"

I can't figure out what this means. It asks if I forgot the "equal" sign marking the separation between attribute and declared value. The equal sign is there!

Line 16, Column 24
<meta name="description" content="Hair transplant restoration results vary widely so find the right surgeon that has proven results to grow back hair."> 

Validating http://www.twinscape.com/
Error [111]: "an attribute value literal can occur in an attribute specification list only after a VI delimiter"