typo

--HG--
extra : rebase_source : 51091f447d25bf06a6613fb73decde8f59e1475d

Author: tabatkins

css3-syntax/Overview.html

@@ -2091,8 +2091,8 @@ <h3 id=tree-construction><span class=secno>3.6. </span> Tree Construction</h3>
 
    <dt>simple block
 
-   <dd> A simple block is has an associated token (either a [, (, or { token)
-    and value which is a list of primitives.
+   <dd> A simple block has an associated token (either a [, (, or { token)
+    and a value which is a list of primitives.
 
    <dt>rule block
 

css3-syntax/Overview.src.html

@@ -2115,8 +2115,8 @@ <h3>
 
 		<dt>simple block
 		<dd>
-			A simple block is has an associated token (either a [, (, or { token)
-			and value which is a list of primitives.
+			A simple block has an associated token (either a [, (, or { token)
+			and a value which is a list of primitives.
 
 		<dt>rule block
 		<dd>