diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php
index d072558..0702199 100644
--- a/system/database/DB_active_rec.php
+++ b/system/database/DB_active_rec.php
@@ -1380,7 +1380,7 @@
 			$this->limit($limit);
 		}
 
-		if (count($this->ar_where) == 0 && count($this->ar_wherein) == 0 && count($this->ar_like))
+		if (count($this->ar_where) == 0 && count($this->ar_wherein) == 0 && count($this->ar_like) == 0)
 		{
 			if ($this->db_debug)
 			{
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index db30ad4..c423ac6 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -88,7 +88,7 @@
 
 <h3>Bug fixes for 1.7.2</h3>
 <ul>
-	<li>Fixed assorted user guide typos or examples (#6743, #7214).</li>
+	<li>Fixed assorted user guide typos or examples (#6743, #7214, #7516, #7287).</li>
 	<li>doctype helper default value was missing a "1".</li>
 	<li>Fixed a bug with ORIG_PATH_INFO that was allowing URIs of just a slash through.</li>
 	<li>Fixed a fatal error in the Oracle and ODBC drivers (#6752)</li>
diff --git a/user_guide/general/models.html b/user_guide/general/models.html
index efee511..88600bc 100644
--- a/user_guide/general/models.html
+++ b/user_guide/general/models.html
@@ -161,7 +161,7 @@
 
 <code>$this->load->model('<var>Model_name</var>');</code>
 
-<p>If you model is located in a sub-folder, include the relative path from your models folder.  For example, if
+<p>If your model is located in a sub-folder, include the relative path from your models folder.  For example, if
 you have a model located at <dfn>application/models/blog/queries.php</dfn> you'll load it using:</p>
 
 <code>$this->load->model('<var>blog/queries</var>');</code>
diff --git a/user_guide/libraries/form_validation.html b/user_guide/libraries/form_validation.html
index 3069054..c347984 100644
--- a/user_guide/libraries/form_validation.html
+++ b/user_guide/libraries/form_validation.html
@@ -830,7 +830,7 @@
 
 
 <code>$config = array(<br />
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'<kbd>member/signup</kbd>' = array(<br />
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'<kbd>member/signup</kbd>' => array(<br />
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;array(<br />
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'field' => 'username',<br />
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'label' => 'Username',<br />