diff --git a/lang/en/grades.php b/lang/en/grades.php
index bd9273e9436..5459c889acd 100644
--- a/lang/en/grades.php
+++ b/lang/en/grades.php
@@ -470,7 +470,7 @@ $string['minimum_show_help'] = 'Minimum grade is used in calculating grades and
 $string['missingitemtypeoreid'] = 'Array key (itemtype or eid) missing from 2nd param of grade_edit_tree_column_select::get_item_cell($item, $params)';
 $string['missingscale'] = 'Scale must be selected';
 $string['mode'] = 'Mode';
-$string['modgradeerrorbadpoint'] = 'Invalid Grade Value. This must be an integer between 0 and {$a}';
+$string['modgradeerrorbadpoint'] = 'Invalid Grade Value. This must be an integer between 1 and {$a}';
 $string['modgradeerrorbadscale'] = 'Invalid scale selected. Please make sure you select a scale from the selections below.';
 $string['modgrade'] = 'Grade';
 $string['modgrade_help'] = 'Select the type of grading used for this activity. If "scale" is chosen, you can then choose the scale from the "scale" dropdown. If using "point" grading, you can then enter the maximum grade available for this activity.';