Typo: contining -> containing

Author: ayg

css3-transforms/ChangeLog

@@ -1,5 +1,5 @@
 2012-03-13 ayg@aryeh.name
-    Typo: perpspective -> perspective
+    Typo fixes
 
 2012-03-12 ayg@aryeh.name
     Make computed value of 'transform' "As specified" again

css3-transforms/Overview.html

@@ -833,7 +833,7 @@ <h3 id=transform-3d-rendering><span class=secno>5.1. </span>3D Transform
     <ol>
      <li>multiply the accumulated matrix with the <a
       href="#TermPerspectiveMatrix"><i>perspective matrix</i></a> on the
-      element's containing block (if any). That contining block is not
+      element's containing block (if any). That containing block is not
       necessarily a member of the 3D rendering context.
 
      <li>apply to the accumulated matrix a translation equivalent to the

css3-transforms/Transforms.src.html

@@ -514,7 +514,7 @@ <h3 id="transform-3d-rendering">3D Transform Rendering</h3>
                   and the element in question:
                   <ol>
                     <li>multiply the accumulated matrix with the <a href="#TermPerspectiveMatrix"><i>perspective matrix</i></a>
-                      on the element's containing block (if any). That contining block is not necessarily a member
+                      on the element's containing block (if any). That containing block is not necessarily a member
                       of the 3D rendering context.</li>
                     <li>apply to the accumulated matrix a translation equivalent to the horizontal and vertical offset of the element relative to
                       its containing block as specified by the CSS visual formatting model. <!-- (tighten this!) --></li>