[css-text-3] Slight wording tweaks for text-wrap. w3c#2545

Author: fantasai

css-text-4/Overview.bs

@@ -186,7 +186,7 @@ Text Wrap Settings: the 'text-wrap' property</h3>
 	<dl dfn-for=text-wrap dfn-type=value>
 		<dt><dfn>wrap</dfn>
 		<dd>
-			Specifies that inline-level content may break across lines
+			Inline-level content may break across lines
 			at allowed <a>soft wrap opportunities</a>,
 			as determined by the line-breaking rules in effect
 			in order to minimize <a>inline-axis</a> overflow.
@@ -200,7 +200,7 @@ Text Wrap Settings: the 'text-wrap' property</h3>
 
 		<dt><dfn>nowrap</dfn>
 		<dd>
-			Specifies that inline-level content must not break across lines;
+			Inline-level content does not break across lines;
 			content that does not fit within the block container overflows it.
 
 		<dt><dfn>balance</dfn>