postgre to postgres in a few documentation pages
diff --git a/user_guide/database/helpers.html b/user_guide/database/helpers.html
index ac6ea11..0647e2a 100644
--- a/user_guide/database/helpers.html
+++ b/user_guide/database/helpers.html
@@ -80,7 +80,7 @@
 

 

 <h2>$this->db->platform()</h2>

-<p>Outputs the database platform you are running (MySQL, MS SQL, Postgre, etc...):</p>

+<p>Outputs the database platform you are running (MySQL, MS SQL, Postgres, etc...):</p>

 <code>echo $this->db->platform();</code>