[css-text-decor-4] Cross-reference -offset from -position

Author: fantasai

css-text-decor-4/Overview.bs

@@ -474,10 +474,10 @@ Text Underline Position: the 'text-underline-position' property</h3>
 	Animation type: discrete
 	</pre>
 
-	This property sets the position of an underline specified on the element.
+	This property sets the position of an underline with respect to the element.
 	(It does not affect underlines specified by ancestor elements.)
-	If ''text-underline-position/left'' or ''text-underline-position/right'' is specified alone,
-	''text-underline-position/auto'' is also implied.
+	The exact position of the underline can be further adjusted
+	with 'text-underline-position'.
 
 	<div class="example">
 		The following example styles modern Chinese, Japanese, and Korean
@@ -489,6 +489,8 @@ Text Underline Position: the 'text-underline-position' property</h3>
 		</pre>
 	</div>
 
+	If ''text-underline-position/left'' or ''text-underline-position/right'' is specified alone,
+	''text-underline-position/auto'' is also implied.
 	Values have the following meanings:
 
 	<dl dfn-type=value dfn-for=text-underline-position>