[css-animations] findRule()/deleteRule() key argument is percentage value or from/to (WG resolution 2014-04-02)

Author: Sylvain Galineau

css-animations/Overview.bs

@@ -990,8 +990,9 @@ The <code>deleteRule</code> method</h4>
 
 		<dt><dfn argument for="CSSKeyFramesRule/deleteRule()">key</dfn> of type <a interface>DOMString</a>
 		<dd>
-			The key which describes the rule to be deleted. The key must resolve to
-			a number between 0 and 1, or the rule is ignored.
+			The key which describes the rule to be deleted. A percentage value between 
+            0% and 100%, or one of the keywords ''fro'' or ''to'' which resolve to 0% and 
+            100%, respectively.
 	</dl>
 
 	No Return Value
@@ -1010,9 +1011,10 @@ The <code>findRule</code> method</h4>
 	<dl>
 		<dt><dfn argument for="CSSKeyFramesRule/findRule()">key</dfn> of type <a interface>DOMString</a>
 		<dd>
-			The key which described the rule to find. The key must resolve to
-			a number between 0 and 1, or the rule is ignored.
-	</dl>
+			The key which describes the rule to be deleted. A percentage value between 
+            0% and 100%, or one of the keywords ''fro'' or ''to'' which resolve to 0% and 
+            100%, respectively.	
+    </dl>
 
 	Return Value: