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Talk about how automatic spell checker only on IE versions 10 and after. -> link to the page about updating browsers (see minimum system requirements - make consistent info) do we support IE 8/9?
Moziller Firefox
Check that your Automatic spell check is on by pressing the menu button on the top right of the browser > Options > Advanced > General tab
Tick Check my spelling as I type
Note: Automatic spell-checking is only turned on for text boxes containing more than one line, where you can enter as much text as you want.
How to Add Dictionaries:
Right click on the text > Languages > Add dictionaries
If you do not have the language option then select Check Spelling and the languages option should appear
Following these steps will take you to a list of dictionaries that you can install and use.
Scroll down to English (Australian) and install it.
After the dictionary is installed, right click on the word/text and open languages again.
You should now have a choice between the standard dictionary and the new installed one.
If it doesn't appear straight away, you may need to refresh your browser.
https://support.mozilla.org/en-US/kb/how-do-i-use-firefox-spell-checker
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