[ci skip] Update on the changes from PR #3388

 - Fixed a broken link
 - Added missing notes about deprecations in the upgrade instructions
 - Improved consistency with other deprecation notices in the docs
diff --git a/user_guide_src/source/helpers/email_helper.rst b/user_guide_src/source/helpers/email_helper.rst
index b665ce5..3b771a0 100644
--- a/user_guide_src/source/helpers/email_helper.rst
+++ b/user_guide_src/source/helpers/email_helper.rst
@@ -6,7 +6,8 @@
 Email. For a more robust email solution, see CodeIgniter's :doc:`Email
 Class <../libraries/email>`.
 
-.. important:: The Email helper is **deprecated**.
+.. important:: The Email helper is DEPRECATED and is currently
+	only kept for backwards compatibility.
 
 .. contents::
   :local: