All odors are not created equal and must be treated as such. From smoke, to water damage, to chemical spills, each odor requires a specialized process to be elimated successfully.
Finding the source is the 1st step toward removing the odor, While using chemicals, equipment, and sprays might initally mask the odor, without identifying and removing the source, the odor will likely return.
Alternatively, when you select a text box a settings menu will appear. Selecting 'Edit Text' from this menu will also allow you to edit the text