Fix typo

--HG--
rename : css4-mediaqueries/Overview.html => css3-mediaqueries/Overview.html
rename : css4-mediaqueries/Overview.src.html => css3-mediaqueries/Overview.src.html
extra : rebase_source : 7ad884701e471b14f897d5520d80eff3eea589ec

Author: kojiishi

css3-text/Overview.src.html

@@ -971,7 +971,7 @@ <h3 id="word-break">
       <dt><dfn title="word-break:keep-all">''keep-all''</dfn></dt>
       <dd>Break opportunties between ID/ID, AL/ID, and ID/AL as defined in [[UAX14]]
         are prohibited. Otherwise this option is equivalent to ''normal''.
-        This option produces a style where a sequence of ideographic characters do
+        This option produces a style where sequences of ideographic characters do
         not break, and word separator characters are present to create line-breaking
         opportunities.
         Such sytle is sometimes seen in Korean magazines, and is also useful for