more wording tweaks [e]

Author: fantasai

css3-page/Overview.html

@@ -606,21 +606,21 @@ <h3 id=painting><span class=secno>4.1. </span> Page Backgrounds and
    <p>In the page model, the page background behaves similar to the root
     background: its <a
     href="http://www.w3.org/TR/css3-background/#background-painting-area"><i>background
-    painting area</i></a> is the entire page box, including its margins.
-    Similar to backgrounds on the root element, page backgrounds are anchored
-    within the page box's padding area by default (and honor ‘<code
-    class=property>background-origin</code>’ if the UA supports <a
-    href="#CSS3BG" rel=biblioentry>[CSS3BG]<!--{{!CSS3BG}}--></a>). However
-    if ‘<code class=property>background-attachment</code>’ is ‘<code
+    painting area</i></a> is the entire page box, including its margins. Page
+    backgrounds are anchored within the page box's padding area by default
+    (and honor ‘<code class=property>background-origin</code>’ if the UA
+    supports <a href="#CSS3BG"
+    rel=biblioentry>[CSS3BG]<!--{{!CSS3BG}}--></a>). However if ‘<code
+    class=property>background-attachment</code>’ is ‘<code
     class=css>fixed</code>’ then the image is positioned relative to the
     page box including its margins (i.e. the <a
     href="http://www.w3.org/TR/css3-background/#background-positioning-area"><i>background
     positioning area</i></a>, like the <i>background painting area</i>, is
     the page's margin box).
 
    <p>The document canvas background is drawn as the page box's background:
-    by default its <i>background painting area</i> is the page box's border
-    box, and for UAs that support <a href="#CSS3BG"
+    by default its <i>background painting area</i> covers the page box's
+    border box, and for UAs that support <a href="#CSS3BG"
     rel=biblioentry>[CSS3BG]<!--{{!CSS3BG}}--></a>, follows the ‘<code
     class=property>background-clip</code>’ value specified on the root
     element. It remains, however, positioned with respect to the root element

css3-page/Overview.src.html

@@ -352,16 +352,15 @@ <h3 id="painting">
   <p>In the page model, the page background behaves similar to the root background:
   its <a href="http://www.w3.org/TR/css3-background/#background-painting-area"><i>background painting area</i></a>
   is the entire page box, including its margins.
-  Similar to backgrounds on the root element,
-  page backgrounds are anchored within the page box's padding area by default
+  Page backgrounds are anchored within the page box's padding area by default
   (and honor 'background-origin' if the UA supports [[!CSS3BG]]).
   However if 'background-attachment' is ''fixed''
   then the image is positioned relative to the page box including its margins
   (i.e. the <a href="http://www.w3.org/TR/css3-background/#background-positioning-area"><i>background positioning area</i></a>,
   like the <i>background painting area</i>, is the page's margin box).
 
   <p>The document canvas background is drawn as the page box's background:
-  by default its <i>background painting area</i> is the page box's border box,
+  by default its <i>background painting area</i> covers the page box's border box,
   and for UAs that support [[!CSS3BG]], follows the 'background-clip' value specified on the root element.
   It remains, however, positioned with respect to the root element
   or page area as usual.