[css-ruby-1] Fix links

Author: fantasai

css-ruby-1/Overview.bs

@@ -586,9 +586,9 @@ White Space Collapsing</h3>
 
 	White space within a ruby structure is <a href="#anon-gen-discard-space">discarded</a>
 	<ul>
-		<li>at the beginning and end of a [=ruby container=], [=ruby annotation=] container, or [=ruby base container=],
-		<li>between a [=ruby base container=] and its following [=ruby annotation container=],
-		<li>between [=ruby annotation containers=].
+		<li>at the beginning and end of a [=ruby container=], [=annotation container=], or [=base container=],
+		<li>between a [=base container=] and its following [=annotation container=],
+		<li>between [=annotation containers=].
 	</ul>
 
 	<div class="example">