how can I make the web page validate to xhtml transitional?

:) Good day,
Can anyone help please. I am very new at this and have Flash 8. The question is how can I make the web page validate to xhtml transitional? I tested it and have the following errors:-
This page is not Valid XHTML 1.0 Transitional!
Below are the results of checking this document for XML well-formedness and validity.

Error Line 13 column 15: there is no attribute "src".
<embed src="images2/enterspain_splash.swf" quality="high" pluginspage="http: