hixie: grammar fix (whatwg r3630)

hixie: grammar fix (whatwg r3630)

http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.2817&r2=1.2818&f=h
http://html5.org/tools/web-apps-tracker?from=3629&to=3630

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RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.2817
retrieving revision 1.2818
diff -u -d -r1.2817 -r1.2818
--- Overview.html	15 Aug 2009 11:34:38 -0000	1.2817
+++ Overview.html	15 Aug 2009 11:39:54 -0000	1.2818
@@ -1981,7 +1981,7 @@
 
   <div class="example">
 
-   <p>For example, while strongly discouraged to do so, an
+   <p>For example, while strongly discouraged from doing so, an
    implementation "Foo Browser" could add a new DOM attribute "<code title="">fooTypeTime</code>" to a control's DOM interface that
    returned the time it took the user to select the current value of a
    control (say). On the other hand, defining a new control that