Getting my site to Validate validator.w3.org
 

Not sure where this belongs

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Error Line 138 column 77: general entity "mode" not defined and no default entity.

...;Contact Us|</div>

This is usually a cascading error caused by a an undefined entity reference or use of an unencoded ampersand (&) in an URL or body text. See the previous message for further details.

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what exactly can or should i do to validate these type of things?
[/quote][/i]

Go through the templates - specifically the ones for the help section - and change the links. You will need to change all the "&" symbols in the links to