[css-transforms-2] Never mind, rearranging the grammar was incorrect.

Author: tabatkins

css-transforms-2/Overview.bs

@@ -37,7 +37,7 @@ Fluff here.
 
 <pre class="propdef">
 Name: translate
-Value: <<length-percentage>>{1,2} <<length>>?
+Value: <<length-percentage>> [ <<length-percentage>> <<length>>? ]?
 Initial: 0
 Inherited: no
 Percentages: relative to the width of the containing block (for the first value) or the height (for the second value)