Enabling Text field spell check on Mozilla firefox

Well many of you may not know this, but firefox has it's own built in spell checker for text fields, This is not the same as the normal spell checker, as the normal one misses out these text fields meaning that things such as; Blog titles, and blog entries may be wrong without you knowing.
In this simple Step to step guide I am going to teach you how to enable this. So, let's Begin;

Firstly type 'About:config' (minus the quotation marks) Into your address bar and hit enter. Like this;




You should see this warning, Click "I'll be careful, I promise" this will let you continue and see the config file.
like this;




Next, in the filter field, type; 'layout.spellcheckDefault' (minus the quotation marks) This will filter through to the variable we need to change to enable the spell check. It should look something like this;




Finally, If you see the default value of this parameter is 1. Right click or you can also double click on this and change the value to 2.
It should look like this.
​

You can now exit that config file, without needing to restart your browser, you will have spell-checking in all text fields.



If this guide helped you, a thanks would be nice.
All credit goes to me, I made all the animations and put all the information into the guide myself.

This guide can also be found on Rune|mart, so please do not say I am leeching as I am '♡' from there.