update userguide
diff --git a/user_guide_src/source/database/utilities.rst b/user_guide_src/source/database/utilities.rst
index cc4aeb0..81b949d 100644
--- a/user_guide_src/source/database/utilities.rst
+++ b/user_guide_src/source/database/utilities.rst
@@ -18,7 +18,7 @@
 
 Load the Utility Class as follows::
 
-	$this->load->dbutil()
+	$this->load->dbutil();
 
 You can also pass another database object to the DB Utility loader, in case
 the database you want to manage isn't the default one::
@@ -35,7 +35,7 @@
 Once initialized you will access the methods using the ``$this->dbutil``
 object::
 
-	$this->dbutil->some_method()
+	$this->dbutil->some_method();
 
 ****************************
 Using the Database Utilities
diff --git a/user_guide_src/source/general/reserved_names.rst b/user_guide_src/source/general/reserved_names.rst
index a7b0c34..5d745cb 100644
--- a/user_guide_src/source/general/reserved_names.rst
+++ b/user_guide_src/source/general/reserved_names.rst
@@ -75,6 +75,7 @@
 -  FOPEN_READ_WRITE_CREATE
 -  FOPEN_WRITE_CREATE_STRICT
 -  FOPEN_READ_WRITE_CREATE_STRICT
+-  SHOW_DEBUG_BACKTRACE
 -  EXIT_SUCCESS
 -  EXIT_ERROR
 -  EXIT_CONFIG
diff --git a/user_guide_src/source/libraries/caching.rst b/user_guide_src/source/libraries/caching.rst
index 1fc1b5b..a7081ec 100644
--- a/user_guide_src/source/libraries/caching.rst
+++ b/user_guide_src/source/libraries/caching.rst
@@ -66,7 +66,7 @@
 		hosting environment.
 		::
 
-			if ($this->cache->apc->is_supported()
+			if ($this->cache->apc->is_supported())
 			{
 				if ($data = $this->cache->apc->get('my_cache'))
 				{
diff --git a/user_guide_src/source/libraries/config.rst b/user_guide_src/source/libraries/config.rst
index 3138e34..a45cacd 100644
--- a/user_guide_src/source/libraries/config.rst
+++ b/user_guide_src/source/libraries/config.rst
@@ -92,9 +92,9 @@
 
 To retrieve an item from your config file, use the following function::
 
-	$this->config->item('item name');
+	$this->config->item('item_name');
 
-Where item name is the $config array index you want to retrieve. For
+Where item_name is the $config array index you want to retrieve. For
 example, to fetch your language choice you'll do this::
 
 	$lang = $this->config->item('language');
diff --git a/user_guide_src/source/tutorial/create_news_items.rst b/user_guide_src/source/tutorial/create_news_items.rst
index 71d2080..5c52704 100644
--- a/user_guide_src/source/tutorial/create_news_items.rst
+++ b/user_guide_src/source/tutorial/create_news_items.rst
@@ -18,11 +18,11 @@
 
 ::
 
-    <h2><?php echo $title ?></h2>
+    <h2><?php echo $title; ?></h2>
 
     <?php echo validation_errors(); ?>
 
-    <?php echo form_open('news/create') ?>
+    <?php echo form_open('news/create'); ?>
 
         <label for="title">Title</label> 
         <input type="input" name="title" /><br />
diff --git a/user_guide_src/source/tutorial/news_section.rst b/user_guide_src/source/tutorial/news_section.rst
index d8ebac4..688f2cb 100644
--- a/user_guide_src/source/tutorial/news_section.rst
+++ b/user_guide_src/source/tutorial/news_section.rst
@@ -143,17 +143,17 @@
 
 ::
 
-	<h2><?php echo $title ?></h2>
+	<h2><?php echo $title; ?></h2>
 	
 	<?php foreach ($news as $news_item): ?>
 
-		<h3><?php echo $news_item['title'] ?></h3>
+		<h3><?php echo $news_item['title']; ?></h3>
 		<div class="main">
-			<?php echo $news_item['text'] ?>
+			<?php echo $news_item['text']; ?>
 		</div>
-		<p><a href="<?php echo $news_item['slug'] ?>">View article</a></p>
+		<p><a href="<?php echo $news_item['slug']; ?>">View article</a></p>
 
-	<?php endforeach ?>
+	<?php endforeach; ?>
 
 Here, each news item is looped and displayed to the user. You can see we
 wrote our template in PHP mixed with HTML. If you prefer to use a
diff --git a/user_guide_src/source/tutorial/static_pages.rst b/user_guide_src/source/tutorial/static_pages.rst
index 62b3469..e948d30 100644
--- a/user_guide_src/source/tutorial/static_pages.rst
+++ b/user_guide_src/source/tutorial/static_pages.rst
@@ -64,7 +64,7 @@
 		</head>
 		<body>
 
-			<h1><?php echo $title ?></h1>
+			<h1><?php echo $title; ?></h1>
 
 The header contains the basic HTML code that you'll want to display
 before loading the main view, together with a heading. It will also