Global spellcheck allows you to check spelling of all topics in the project, view/process results in the grid view and apply changes all at once.
To run "Global spellcheck" tool select this node under "Tools" node in the project tree view.
Click "Run" to check project. Helpinator will fill the results grid with misspellings. When all is done you can select action for each item or selected items:
Ignore - do nothing
Replace - replace with suggestion
Add to dictionary.
Select suggestion from the drop-down list in the corresponding column.
When you are ready to go - click "Apply" and Helpinator will apply all actions as desired.