[css-tables] Fixed table-layout wrong values in propdef table

Author: gregwhitworth

css-tables-3/Overview.bs

@@ -769,8 +769,8 @@ spec:css21; type:property; text:max-width
 
 			<pre class='propdef'>
 				Name: table-layout
-				Value: normal | fixed
-				Initial: separate
+				Value: auto | fixed
+				Initial: auto
 				Applies To: table-root elements.
 				Inherited: yes
 			</pre>