[css-logical-1] typo

Author: fantasai

css-logical-1/Overview.bs

@@ -58,7 +58,7 @@ Introduction</h2>
     but actually they are start-aligned, because in Arabic the same constructs are right-aligned,
     and a multilingual document will need to accommodate both writing systems accordingly.
 
-    The following code examplify how using logical syntax can help you write code 
+    The following code exemplifies how using logical syntax can help you write code
         that works across different writing systems:
 
     <figure>