MDL-49200 core_form: corrected string

lang/en/form.php

@@ -32,7 +32,7 @@
 $string['err_email'] = 'You must enter a valid email address here.';
 $string['err_lettersonly'] = 'You must enter only letters here.';
 $string['err_maxfiles'] = 'You must not attach more than {$a} files here.';
-$string['err_maxlength'] = 'You must enter not more than {$a->format} characters here.';
+$string['err_maxlength'] = 'You must enter no more than {$a->format} characters here.';
 $string['err_minlength'] = 'You must enter at least {$a->format} characters here.';
 $string['err_nonzero'] = 'You must enter a number not starting with a 0 here.';
 $string['err_nopunctuation'] = 'You must enter no punctuation characters here.';