ExpressionQuestionHelp
From LimeSurvey Manual
Hint: This features is available starting in version 4.0.1
Add help suffix for all question in Expression Script. {QCODE.help} show the current help text of question with code QCODE.
If you want help for question with sub-questions, you must activate ExpressionQuestionForAll plugin.
Before using these functions : the plugin must be activated in Plugin Manager.