[css-ruby-1] Fix links

Author: fantasai

css-ruby-1/Overview.bs

@@ -222,11 +222,11 @@ Ruby-specific 'display' Values</h3>
 			(Corresponds to HTML/XHTML <code>&lt;ruby&gt;</code> elements.)
 		<dt><dfn>ruby-base</dfn>
 		<dd>
-			Specifies that an element generates a <dfn dfn for lt="ruby base box | ruby base">ruby base box</dfn>.
+			Specifies that an element generates a <dfn dfn for lt="ruby base box | ruby base | base | base box">ruby base box</dfn>.
 			(Corresponds to HTML/XHTML <code>&lt;rb&gt;</code> elements.)
 		<dt><dfn>ruby-text</dfn>
 		<dd>
-			Specifies that an element generates a <dfn dfn for lt="ruby annotation box | ruby annotation | annotation">ruby annotation box</dfn>.
+			Specifies that an element generates a <dfn dfn for lt="ruby annotation box | ruby annotation | annotation | annotation box">ruby annotation box</dfn>.
 			(Corresponds to HTML/XHTML <code>&lt;rt&gt;</code> elements.)
 		<dt><dfn>ruby-base-container</dfn>
 		<dd>