[css-inline-3] Add paragraph break. w3c#5119 (comment)

Author: fantasai

css-inline-3/Overview.bs

@@ -2304,6 +2304,7 @@ Initial Letter Wrapping: the 'initial-letter-wrap' property</h3>
 
 			If the value of ''shape-outside'' is not ''none'',
 			''shape-outside'' is used instead of the glyph outline.
+
 			In both cases, 'shape-margin' is applied to expand the outline,
 			and the resulting outline is clipped
 			by the [=initial letter=]’s [=margin edges=].