changed your-site.com to example.com doc-wide
diff --git a/user_guide/libraries/trackback.html b/user_guide/libraries/trackback.html
index b8284ea..28ac192 100644
--- a/user_guide/libraries/trackback.html
+++ b/user_guide/libraries/trackback.html
@@ -133,7 +133,7 @@
<p>For example, if your controller class is called <dfn>Trackback</dfn>, and the receiving function is called <dfn>receive</dfn>, your
Ping URLs will look something like this:</p>
-<code>http://www.your-site.com/index.php/trackback/receive/<samp>entry_id</samp></code>
+<code>http://example.com/index.php/trackback/receive/<samp>entry_id</samp></code>
<p>Where <samp>entry_id</samp> represents the individual ID number for each of your entries.</p>
@@ -198,7 +198,7 @@
<p>The entry ID number is expected in the third segment of your URL. This is based on the URI example we gave earlier:</p>
-<code>http://www.your-site.com/index.php/trackback/receive/<samp>entry_id</samp></code>
+<code>http://example.com/index.php/trackback/receive/<samp>entry_id</samp></code>
<p>Notice the entry_id is in the third URI segment, which you can retrieve using:</p>