frivoal's suggestion

Co-authored-by: Florian Rivoal <git@florian.rivoal.net>

Author: tkent-google

css-ui-4/Overview.bs

@@ -2487,8 +2487,7 @@ Switching form control sizing: the 'field-sizing' property</h3>
 
 	For the purpose of this specification,
 	an <dfn export>element with default preferred size</dfn> is an element
-	of which size is fixed regardless of its content size though its
-	[=preferred size property=] is 'auto'.
+	whose [=intrinsic size=] is fixed regardless of the size of its content.
 	The host language defines which elements are applicable to it.
 	For example, in HTML <{textarea}> is an [=element with default preferred size=].