Subtopic title should be at most {{MAX_CHARS_IN_SUBTOPIC_TITLE}} characters.
{{errorMsg}}
Enter the url fragment for the subtopic*
The subtopic URL fragment is used to uniquely access the subtopic viewer page. It should consist of one or more hyphen-separated words, all in lowercase, with at most {{MAX_CHARS_IN_SUBTOPIC_URL_FRAGMENT}} characters in total and must be unique across the topic. Please use meaningful keywords, and avoid using words like "and", "of", or "the".
This subtopic can be accessed at the following URL:
{{hostname}}/learn/{{classroomUrlFragment}}/{{this.topic.getUrlFragment()}}/revision/{{editableUrlFragment}}
The subtopic url fragment is not unique.
Explanation of the subtopic*
Give a description or explanation of the subtopic.