Improve attribute selectors links

Author: shvaikalesh

selectors-4/Overview.bs

@@ -168,13 +168,13 @@ Selectors Overview</h2>
 			<tr>
 				<td><code>E[foo]</code>
 				<td>an E element with a <code>foo</code> attribute
-				<td>[[#attribute-selectors]]
+				<td>[[#attribute-representation]]
 				<td>2
 			<tr>
 				<td><code>E[foo="bar"]</code>
 				<td>an E element whose <code>foo</code> attribute value is
 						exactly equal to <code>bar</code>
-				<td>[[#attribute-selectors]]
+				<td>[[#attribute-representation]]
 				<td>2
 			<tr>
 				<td><code>E[foo="bar" i]</code>
@@ -193,7 +193,7 @@ Selectors Overview</h2>
 				<td>an E element whose <code>foo</code> attribute value is
 						a list of whitespace-separated values, one of which is
 						exactly equal to <code>bar</code>
-				<td>[[#attribute-selectors]]
+				<td>[[#attribute-representation]]
 				<td>2
 			<tr>
 				<td><code>E[foo^="bar"]</code>
@@ -217,7 +217,7 @@ Selectors Overview</h2>
 				<td><code>E[foo|="en"]</code>
 				<td>an E element whose <code>foo</code> attribute value is
 						a hyphen-separated list of values beginning with <code>en</code>
-				<td>[[#attribute-selectors]]
+				<td>[[#attribute-representation]]
 				<td>2
 		<tbody>
 			<tr>