optimize migrations class reference
diff --git a/system/libraries/Migration.php b/system/libraries/Migration.php
index ae36a3b..e17f416 100644
--- a/system/libraries/Migration.php
+++ b/system/libraries/Migration.php
@@ -191,7 +191,7 @@
 	 * choice
 	 *
 	 * @param	string	$target_version	Target schema version
-	 * @return	mixed	TRUE if already latest, FALSE if failed, string if upgraded
+	 * @return	mixed	TRUE if no migrations are found, current version string on success, FALSE on failure
 	 */
 	public function version($target_version)
 	{
@@ -294,7 +294,7 @@
 	/**
 	 * Sets the schema to the latest migration
 	 *
-	 * @return	mixed	TRUE if already latest, FALSE if failed, string if upgraded
+	 * @return	mixed	current version string on success, FALSE on failure
 	 */
 	public function latest()
 	{
@@ -318,7 +318,7 @@
 	/**
 	 * Sets the schema to the migration version set in config
 	 *
-	 * @return	mixed	TRUE if already current, FALSE if failed, string if upgraded
+	 * @return	mixed	TRUE if no migrations are found, current version string on success, FALSE on failure
 	 */
 	public function current()
 	{
diff --git a/user_guide_src/source/libraries/migration.rst b/user_guide_src/source/libraries/migration.rst
index 9eb9b78..0f386aa 100644
--- a/user_guide_src/source/libraries/migration.rst
+++ b/user_guide_src/source/libraries/migration.rst
@@ -164,7 +164,7 @@
 
 	.. php:method:: latest()
 
-		:returns:	TRUE if no migrations are found, current version string on success, FALSE on failure
+		:returns:	current version string on success, FALSE on failure
 		:rtype:	mixed
 
 		This works much the same way as ``current()`` but instead of looking for