diff --git a/user_guide_src/source/installation/upgrade_300.rst b/user_guide_src/source/installation/upgrade_300.rst
index a3ea01d..02841ab 100644
--- a/user_guide_src/source/installation/upgrade_300.rst
+++ b/user_guide_src/source/installation/upgrade_300.rst
@@ -1,5 +1,5 @@
 #############################
-Upgrading from 2.1.2 to 3.0.0
+Upgrading from 2.1.3 to 3.0.0
 #############################
 
 .. note:: These upgrade notes are for a version that is yet to be released.
@@ -104,9 +104,9 @@
 	(.+)	// matches ANYTHING
 	(:any)	// matches any character, except for '/'
 
-*******************************************
-Step 9: Update your librararies' file names
-*******************************************
+*****************************************
+Step 9: Update your libraries' file names
+*****************************************
 
 CodeIgniter 3.0 only allows library file names to be named in a *ucfirst* manner
 (meaning that the first letter of the class name must be a capital). For example,
@@ -136,8 +136,15 @@
 The default return value of these functions, when the required elements
 don't exist, has been changed from FALSE to NULL.
 
+***********************************************************************
+Step 11: Check the calls to Directory Helper's directory_map() function
+***********************************************************************
+
+In the resulting array, directories now end with a trailing directory
+separator (i.e. a slash, usually).
+
 *************************************************************
-Step 11: Update usage of Database Forge's drop_table() method
+Step 12: Update usage of Database Forge's drop_table() method
 *************************************************************
 
 Up until now, ``drop_table()`` added an IF EXISTS clause by default or it didn't work
@@ -159,7 +166,7 @@
 	all drivers with the exception of ODBC.
 
 ***********************************************************
-Step 12: Change usage of Email library with multiple emails
+Step 13: Change usage of Email library with multiple emails
 ***********************************************************
 
 The :doc:`Email Library <../libraries/email>` will automatically clear the
@@ -174,7 +181,7 @@
  	}
 
 ***************************************************
-Step 13: Update your Form_validation language lines
+Step 14: Update your Form_validation language lines
 ***************************************************
 
 Two improvements have been made to the :doc:`Form Validation Library
@@ -205,7 +212,7 @@
 	later.
 
 ****************************************************************
-Step 14: Remove usage of (previously) deprecated functionalities
+Step 15: Remove usage of (previously) deprecated functionalities
 ****************************************************************
 
 In addition to the ``$autoload['core']`` configuration setting, there's a
@@ -238,7 +245,7 @@
 :doc:`Security Helper <../helpers/security_helper>` function ``do_hash()`` is now just an alias for
 PHP's native ``hash()`` function. It is deprecated and scheduled for removal in CodeIgniter 3.1+.
 
-.. note:: This function is still available, but you're strongly encouraged to remove it's usage sooner
+.. note:: This function is still available, but you're strongly encouraged to remove its usage sooner
 	rather than later.
 
 File helper read_file()
@@ -248,7 +255,7 @@
 PHP's native ``file_get_contents()`` function. It is deprecated and scheduled for removal in
 CodeIgniter 3.1+.
 
-.. note:: This function is still available, but you're strongly encouraged to remove it's usage sooner
+.. note:: This function is still available, but you're strongly encouraged to remove its usage sooner
 	rather than later.
 
 String helper repeater()
@@ -257,7 +264,7 @@
 :doc:`String Helper <../helpers/string_helper>` function :php:func:`repeater()` is now just an alias for
 PHP's native ``str_repeat()`` function. It is deprecated and scheduled for removal in CodeIgniter 3.1+.
 
-.. note:: This function is still available, but you're strongly encouraged to remove it's usage sooner
+.. note:: This function is still available, but you're strongly encouraged to remove its usage sooner
 	rather than later.
 
 String helper trim_slashes()
@@ -267,7 +274,7 @@
 for PHP's native ``trim()`` function (with a slash passed as its second argument). It is deprecated and
 scheduled for removal in CodeIgniter 3.1+.
 
-.. note:: This function is still available, but you're strongly encouraged to remove it's usage sooner
+.. note:: This function is still available, but you're strongly encouraged to remove its usage sooner
 	rather than later.
 
 Email helper functions
@@ -292,7 +299,7 @@
 to the availability of native PHP `constants <http://www.php.net/manual/en/class.datetime.php#datetime.constants.types>`_,
 which when combined with ``date()`` provide the same functionality. Furthermore, they have the
 exact same names as the ones supported by ``standard_date()``. Here are examples of how to replace
-it's usage:
+its usage:
 
 ::
 
@@ -308,7 +315,7 @@
 	// Replacement
 	date(DATE_ATOM, $time);
 
-.. note:: This function is still available, but you're strongly encouraged to remove its' usage sooner
+.. note:: This function is still available, but you're strongly encouraged to remove its usage sooner
 	rather than later as it is scheduled for removal in CodeIgniter 3.1+.
 
 Pagination library 'anchor_class' setting
@@ -320,7 +327,7 @@
 As a result of that, the 'anchor_class' setting is now deprecated and scheduled for removal in
 CodeIgniter 3.1+.
 
-.. note:: This setting is still available, but you're strongly encouraged to remove its' usage sooner
+.. note:: This setting is still available, but you're strongly encouraged to remove its usage sooner
 	rather than later.
 
 String helper random_string() types 'unique' and 'encrypt'