diff --git a/web/lang/en_gb.php b/web/lang/en_gb.php
index cbf85c0b1..e878f6f25 100644
--- a/web/lang/en_gb.php
+++ b/web/lang/en_gb.php
@@ -467,6 +467,11 @@ $SLANG = array(
     'Montage'               => 'Montage',
     'Month'                 => 'Month',
     'Move'                  => 'Move',
+    'MtgDefault'            => 'Default',              // Added 2013.08.15.
+    'Mtg2widgrd'            => '2-wide grid',              // Added 2013.08.15.
+    'Mtg3widgrd'            => '3-wide grid',              // Added 2013.08.15.
+    'Mtg4widgrd'            => '4-wide grid',              // Added 2013.08.15.
+    'Mtg3widgrx'            => '3-wide grid, scaled, enlarge on alarm',              // Added 2013.08.15.
     'MustBeGe'              => 'must be greater than or equal to',
     'MustBeLe'              => 'must be less than or equal to',
     'MustConfirmPassword'   => 'You must confirm the password',
@@ -631,6 +636,10 @@ $SLANG = array(
     'Tilt'                  => 'Tilt',
     'TimeDelta'             => 'Time Delta',
     'Timeline'              => 'Timeline',
+    'TimelineTip1'          => 'Pass your mouse over the graph to view a snapshot image and event details.',              // Added 2013.08.15.
+    'TimelineTip2'          => 'Click on the coloured sections of the graph, or the image, to view the event.',              // Added 2013.08.15.
+    'TimelineTip3'          => 'Click on the background to zoom in to a smaller time period based around your click.',              // Added 2013.08.15.
+    'TimelineTip4'          => 'Use the controls below to zoom out or navigate back and forward through the time range.',              // Added 2013.08.15.
     'TimestampLabelFormat'  => 'Timestamp Label Format',
     'TimestampLabelX'       => 'Timestamp Label X',
     'TimestampLabelY'       => 'Timestamp Label Y',