MDL-22650 - extend apidebugmask description with an example.

mod/scorm/lang/en/scorm.php

@@ -31,7 +31,7 @@
 $string['allowtypeexternal'] = 'Enable external package type';
 $string['allowtypeimsrepository'] = 'Enable IMS package type';
 $string['allowtypelocalsync'] = 'Enable downloaded package type';
-$string['apidebugmask'] = 'API debug capture mask (simple regex on <username>:<activityname>)';
+$string['apidebugmask'] = 'API debug capture mask  - use a simple regex on <username>:<activityname> e.g. admin:.* will debug for admin user only';
 $string['areacontent'] = 'Content files';
 $string['areapackage'] = 'Package file';
 $string['asset'] = 'Asset';