Help > Authoring > Using Markup > Using Entities > Text Entities > Editing Text Entities
  
Editing Text Entities
1. From the menu bar, choose Entities > Text.
2. Click the entity you want to modify.
3. Click Modify to open the Modify text entity dialog box.
4. Make changes to the entity in the Name and Content text boxes.
5. Click OK. These changes cannot be undone using the Undo function. Any subsequent changes must be made manually.
6. Click Close to close the Text entities dialog box.
Related information 
Text Entities Overview