docs: improve description

Author: kenjis

user_guide_src/source/general/errors.rst

@@ -3,9 +3,11 @@ Error Handling
 ##############
 
 CodeIgniter builds error reporting into your system through Exceptions, both the `SPL collection <https://www.php.net/manual/en/spl.exceptions.php>`_, as
-well as a few custom exceptions that are provided by the framework. Depending on your environment's setup,
+well as a few exceptions that are provided by the framework.
+
+Depending on your environment's setup,
 the default action when an error or exception is thrown is to display a detailed error report unless the application
-is running under the ``production`` environment. In this case, a more generic message is displayed to
+is running under the ``production`` environment. In the ``production`` environment, a more generic message is displayed to
 keep the best user experience for your users.
 
 .. contents::