SmartDraw recognizes misspelled words and underlines them in red. For example, if you try to type 'Hello,' but instead type 'Helo,' you'll see this in SmartDraw:
To correct this, simply right click on the misspelled word and select from the available options in the drop-down, or choose to Add or Ignore this word.
To toggle your spell check on and off, select or deselect Spell Check from the Options tab. Choose your preferred spell check language from the drop-down menu below Spell Check.