MDL-21250 capital letters removal

lang/en/form.php

@@ -38,23 +38,23 @@
 $string['err_rangelength'] = 'You must enter between {$a->format[0]} and {$a->format[1]} characters here.';
 $string['err_required'] = 'You must supply a value here.';
 $string['general'] = 'General';
-$string['hideadvanced'] = 'Hide Advanced';
+$string['hideadvanced'] = 'Hide advanced';
 $string['hour'] = 'Hour';
 $string['minute'] = 'Minute';
-$string['miscellaneoussettings'] = 'Miscellaneous Settings';
+$string['miscellaneoussettings'] = 'Miscellaneous settings';
 $string['modstandardels'] = 'Common module settings';
 $string['month'] = 'Month';
 $string['mustbeoverriden'] = 'Abstract form_definition() method in class {$a} must be overridden, please fix the code.';
 $string['nomethodforaddinghelpbutton'] = 'There is no method for adding a help button to form element {$a->name} (class {$a->classname})';
-$string['nonexistentformelements'] = 'Trying to add help buttons to nonexistent form elements : {$a}';
+$string['nonexistentformelements'] = 'Trying to add help buttons to non-existent form elements : {$a}';
 $string['optional'] = 'Optional';
 $string['othersettings'] = 'Other settings';
 $string['requiredelement'] = 'Required field';
 $string['revealpassword'] = 'Reveal';
 $string['security'] = 'Security';
 $string['selectallornone'] = 'Select all/none';
 $string['selected'] = 'Selected';
-$string['showadvanced'] = 'Show Advanced';
+$string['showadvanced'] = 'Show advanced';
 $string['somefieldsrequired'] = 'There are required fields in this form marked{$a}.';
 $string['time'] = 'Time';
 $string['timeunit'] = 'Time unit';