[css-transitions] Spell check.

Author: dbaron

css-transitions/Overview.html

@@ -1178,7 +1178,7 @@ <h2 id=starting><span class=secno>3. </span> Starting of transitions</h2>
 
   <div class=note>
    <p> Note that the above rules mean that when the computed value of an
-    animatable property changes, the transitions that starte are based on the
+    animatable property changes, the transitions that start are based on the
     values of the ‘<a href="#transition-property"><code
     class=property>transition-property</code></a>’, ‘<a
     href="#transition-duration"><code
@@ -1923,8 +1923,8 @@ <h2 id=changes><span class=secno>9. </span>Changes since Working Draft of
     means that the <a href="#after-change-style">after-change style</a> is no
     longer a tree of style at a single point in time (since the transition
     computation on a parent element depends on the after-change style for
-    that parent, but is requied prior to computing the after-change style for
-    its children).
+    that parent, but is required prior to computing the after-change style
+    for its children).
 
    <li>Completion of transitions is defined somewhat more precisely.
 

css-transitions/Overview.src.html

@@ -1214,7 +1214,7 @@ <h2 id="starting">
         <p>
           Note that the above rules mean that
           when the computed value of an animatable property changes,
-          the transitions that starte are based on the
+          the transitions that start are based on the
           values of the 'transition-property', 'transition-duration',
           'transition-timing-function', and 'transition-delay' properties
           at the time the animatable property would first have its new
@@ -1916,7 +1916,7 @@ <h2 id="changes">Changes since Working Draft of 19 November 2013</h2>
 dated 19 November 2013</a>:</p>
 
 <ul>
-  <li>Canceling and interrupting of running transitions is defined much more precisely.  This involved introducing the new concept of <span>after-transition style</span>, which also means that the <span>after-change style</span> is no longer a tree of style at a single point in time (since the transition computation on a parent element depends on the after-change style for that parent, but is requied prior to computing the after-change style for its children).</p>
+  <li>Canceling and interrupting of running transitions is defined much more precisely.  This involved introducing the new concept of <span>after-transition style</span>, which also means that the <span>after-change style</span> is no longer a tree of style at a single point in time (since the transition computation on a parent element depends on the after-change style for that parent, but is required prior to computing the after-change style for its children).</p>
   <li>Completion of transitions is defined somewhat more precisely.</p>
   <li>The transitionend event is no longer cancelable.  This is since it has no default action, so canceling it would have no meaning.  It also matches the animation events.</p>
   <li>The interpolation of ''inset'' values on shadow lists is no longer backwards.</p>