Use the Dictionary Editor to add words, for example, “RoboHelp,” to your dictionary. The dictionary is specific to the language and the user. Every language has its own dictionary, and every user can save changes to the dictionary.
note: The Dictionary Editor is case sensitive.
1)Select Review > Spelling Options.
2)Click the Options tab.
4)In the Dictionary Editor, under Word, type a new entry and click Add. To delete an entry, select it and click Delete.
note: You cannot cancel additions or deletions made in the Dictionary Editor, so the Cancel button is disabled.