diff --git a/user_guide/installation/upgrade_150.html b/user_guide/installation/upgrade_150.html
index 55ebaa7..b532073 100644
--- a/user_guide/installation/upgrade_150.html
+++ b/user_guide/installation/upgrade_150.html
@@ -71,16 +71,17 @@
<h2>Step 1: Update your Code Igniter files</h2>
-<p>Replace these directories in your "system" folder with the new versions:
+<p>Replace these files and directories in your "system" folder with the new versions:
<ul>
-<li><dfn>system/codeigniter/</dfn></li>
-<li><dfn>system/database/</dfn> (new for 1.5)</li>
-<li><dfn>system/helpers/</dfn></li>
-<li><dfn>system/language/</dfn></li>
-<li><dfn>system/libraries/</dfn></li>
-<li><dfn>system/scaffolding/</dfn></li>
+<li><dfn>application/config/user_agents.php</dfn> (new file for 1.5)</li>
+<li><dfn>codeigniter/</dfn></li>
+<li><dfn>database/</dfn> (new folder for 1.5. Replaces the "drivers" folder)</li>
+<li><dfn>helpers/</dfn></li>
+<li><dfn>language/</dfn></li>
+<li><dfn>libraries/</dfn></li>
+<li><dfn>scaffolding/</dfn></li>
</ul>
<p class="important"><strong>Note:</strong> If you have any custom developed files in these folders please make copies of them first.</p>
diff --git a/user_guide/libraries/calendar.html b/user_guide/libraries/calendar.html
index cd3e664..9d2a01e 100644
--- a/user_guide/libraries/calendar.html
+++ b/user_guide/libraries/calendar.html
@@ -75,6 +75,8 @@
<code>$this->load->library('calendar');</code>
<p>Once loaded, the Calendar object will be available using: <dfn>$this->calendar</dfn></p>
+<p>You can also set your own class variable name. Please see the <a href="loader.html">Loader Class</a> for more info.</p>
+
<h2>Displaying a Calendar</h2>
diff --git a/user_guide/libraries/encryption.html b/user_guide/libraries/encryption.html
index 9be32cf..92d128c 100644
--- a/user_guide/libraries/encryption.html
+++ b/user_guide/libraries/encryption.html
@@ -110,6 +110,8 @@
<code>$this->load->library('encrypt');</code>
<p>Once loaded, the Encrypt library object will be available using: <dfn>$this->encrypt</dfn></p>
+<p>You can also set your own class variable name. Please see the <a href="loader.html">Loader Class</a> for more info.</p>
+
<h2>$this->encrypt->encode()</h2>
diff --git a/user_guide/libraries/parser.html b/user_guide/libraries/parser.html
index bf7b135..2f93baf 100644
--- a/user_guide/libraries/parser.html
+++ b/user_guide/libraries/parser.html
@@ -103,6 +103,8 @@
<code>$this->load->library('parser');</code>
<p>Once loaded, the Parser library object will be available using: <dfn>$this->parser</dfn></p>
+<p>You can also set your own class variable name. Please see the <a href="loader.html">Loader Class</a> for more info.</p>
+
<p>The following functions are available in this library:</p>
diff --git a/user_guide/libraries/sessions.html b/user_guide/libraries/sessions.html
index 5a1216f..7a894fa 100644
--- a/user_guide/libraries/sessions.html
+++ b/user_guide/libraries/sessions.html
@@ -87,6 +87,7 @@
<code>$this->load->library('session');</code>
<p>Once loaded, the Sessions library object will be available using: <dfn>$this->session</dfn></p>
+<p>You can also set your own class variable name. Please see the <a href="loader.html">Loader Class</a> for more info.</p>
<h2>How do Sessions work?</h2>
diff --git a/user_guide/libraries/table.html b/user_guide/libraries/table.html
index 61b5ce8..c2e3239 100644
--- a/user_guide/libraries/table.html
+++ b/user_guide/libraries/table.html
@@ -72,6 +72,8 @@
<code>$this->load->library('table');</code>
<p>Once loaded, the Table library object will be available using: <dfn>$this->table</dfn></p>
+<p>You can also set your own class variable name. Please see the <a href="loader.html">Loader Class</a> for more info.</p>
+
<h2>Examples</h2>
diff --git a/user_guide/libraries/trackback.html b/user_guide/libraries/trackback.html
index 0621d4e..87f6f3a 100644
--- a/user_guide/libraries/trackback.html
+++ b/user_guide/libraries/trackback.html
@@ -74,6 +74,7 @@
<code>$this->load->library('trackback');</code>
<p>Once loaded, the Trackback library object will be available using: <dfn>$this->trackback</dfn></p>
+<p>You can also set your own class variable name. Please see the <a href="loader.html">Loader Class</a> for more info.</p>
<h2>Sending Trackbacks</h2>
diff --git a/user_guide/libraries/unit_testing.html b/user_guide/libraries/unit_testing.html
index 11a8fc2..aa74758 100644
--- a/user_guide/libraries/unit_testing.html
+++ b/user_guide/libraries/unit_testing.html
@@ -78,6 +78,7 @@
<code>$this->load->library('unit');</code>
<p>Once loaded, the Unit Test object will be available using: <dfn>$this->unit</dfn></p>
+<p>You can also set your own class variable name. Please see the <a href="loader.html">Loader Class</a> for more info.</p>
<h2>Running Tests</h2>
diff --git a/user_guide/libraries/zip.html b/user_guide/libraries/zip.html
index 6171ed1..32ef3be 100644
--- a/user_guide/libraries/zip.html
+++ b/user_guide/libraries/zip.html
@@ -71,6 +71,8 @@
<code>$this->load->library('zip');</code>
<p>Once loaded, the Zip library object will be available using: <dfn>$this->zip</dfn></p>
+<p>You can also set your own class variable name. Please see the <a href="loader.html">Loader Class</a> for more info.</p>
+
<h2>Usage Example</h2>