Basic Plugin Creation: Fix broken chaining

Closes jquerygh-399

Author: janusschmidt

page/plugins/basic-plugin-creation.md

@@ -187,11 +187,13 @@ Here's an example of a small plugin using some of the techniques we've discussed
 
 	$.fn.showLinkLocation = function() {
 
-		return this.filter( "a" ).each(function() {
+		this.filter( "a" ).each(function() {
 			var link = $( this );
 			link.append( " (" + link.attr( "href" ) + ")" );
 		});
 
+		return this;
+
 	};
 
 }( jQuery ));
@@ -217,10 +219,12 @@ Our plugin can be optimized though:
 
 	$.fn.showLinkLocation = function() {
 
-		return this.filter( "a" ).append(function() {
+		this.filter( "a" ).append(function() {
 			return " (" + this.href + ")";
 		});
 
+		return this;
+
 	};
 
 }( jQuery ));