[css-images-4] Fix bikeshed errors

Author: LeaVerou

css-images-4/Overview.bs

@@ -71,10 +71,10 @@ when referenced from an <<image>> value,
 for all the properties in which using <<image>> is valid:
 <ul>
 	<li>PNG, as specified in [[!PNG]]
-	<li>SVG, as specified in [[!SVG]],
+	<li>SVG, as specified in [[!SVG11]],
 	using the <a href="https://www.w3.org/TR/svg-integration/#secure-static-mode">secure static mode</a> (See [[!SVG-INTEGRATION]])
 	<li>If the UA supports animated <<image>>s,
-	SVG, as specified in [[!SVG]],
+	SVG, as specified in [[!SVG11]],
 	using the <a href="https://www.w3.org/TR/svg-integration/#secure-animated-mode">secure animated mode</a> (See [[!SVG-INTEGRATION]])
 </ul>
 
@@ -871,7 +871,7 @@ Conic Gradients: the ''conic-gradient()'' notation</h3>
 		<dd>
 			Determines the <dfn dfn>gradient center</dfn> of the gradient.
 			The <<position>> value type (which is also used for 'background-position')
-			is defined in [[!CSS3VAL]],
+			is defined in [[css-values-3]],
 			and is resolved using the center-point as the object area
 			and the <a>gradient box</a> as the positioning area.
 			If this argument is omitted, it defaults to ''center''.