diff --git a/lang/en/grades.php b/lang/en/grades.php
index 788235c5967..39dc8afe354 100644
--- a/lang/en/grades.php
+++ b/lang/en/grades.php
@@ -456,7 +456,7 @@ $string['minimum_show'] = 'Show minimum grade';
 $string['minimum_show_help'] = 'Minimum grade is used in calculating grades and weights. If not shown, minimum grade will default to zero and cannot be edited.';
 $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.';