[ci skip] More docs updates following #5330
diff --git a/user_guide_src/source/libraries/sessions.rst b/user_guide_src/source/libraries/sessions.rst
index b1f658d..994dc2e 100644
--- a/user_guide_src/source/libraries/sessions.rst
+++ b/user_guide_src/source/libraries/sessions.rst
@@ -757,8 +757,8 @@
     <http://php.net/sessionhandlerinterface>`_ interface.
 
     .. note:: You may notice that ``SessionHandlerInterface`` is provided
-    	by PHP since version 5.4.0. CodeIgniter will automatically declare
-    	the same interface if you're running an older PHP version.
+        by PHP since version 5.4.0. CodeIgniter will automatically declare
+        the same interface if you're running an older PHP version.
 
     The link will explain why and how.