Fixed lingering reference to '<symbols>'.

Author: tabatkins

css3-lists/Overview.html

@@ -2349,7 +2349,7 @@ <h2 id=symbols-function><span class=secno>9. </span> Defining Anonymous
    title=counter-algorithm>algorithm</i></a> is constructed by consulting the
    previous chapter using the provided type - or &lsquo;<code
    class=css>symbolic</code>&rsquo; if the type was omitted - and the
-   provided &lt;symbols> as the value of the &lsquo;<a
+   provided &lt;string>s and &lt;image>s as the value of the &lsquo;<a
    href="#descdef-symbols"><code class=property>symbols</code></a>&rsquo;
    property.
 

css3-lists/Overview.src.html

@@ -1555,7 +1555,7 @@ <h2 id='symbols-function'>
 
 	<p>Where &lt;type> is one of the following keywords: ''repeating'', ''numeric'', ''alphabetic'', ''symbolic'', or ''non-repeating''.</p>
 
-	<p>The ''symbols()'' function defines an anonymous counter style with no <i title="counter-name">name</i>, a <i title="counter-prefix">prefix</i> and <i title="counter-suffix">suffix</i> of ''""'' (the empty string), a <i title="counter-lower-bound">lower bound</i> of negative infinity, an <i title="counter-upper-bound">upper bound</i> of infinity, an <i title="counter-fallback">fallback style</i> of ''decimal'', and a <i title="counter-negative">negative sign</i> of "\2D" ("-" hyphen-minus).  The counter style's <i title="counter-algorithm">algorithm</i> is constructed by consulting the previous chapter using the provided type - or ''symbolic'' if the type was omitted - and the provided &lt;symbols> as the value of the 'symbols' property.</p>
+	<p>The ''symbols()'' function defines an anonymous counter style with no <i title="counter-name">name</i>, a <i title="counter-prefix">prefix</i> and <i title="counter-suffix">suffix</i> of ''""'' (the empty string), a <i title="counter-lower-bound">lower bound</i> of negative infinity, an <i title="counter-upper-bound">upper bound</i> of infinity, an <i title="counter-fallback">fallback style</i> of ''decimal'', and a <i title="counter-negative">negative sign</i> of "\2D" ("-" hyphen-minus).  The counter style's <i title="counter-algorithm">algorithm</i> is constructed by consulting the previous chapter using the provided type - or ''symbolic'' if the type was omitted - and the provided &lt;string>s and &lt;image>s as the value of the 'symbols' property.</p>
 
 	<div class='example'>
 		<p>This code:</p>