If you're nitpicking the Manual, ya might want to take a look at the Spell Reference, and look for the red text.
The Manual never looked so stupid... 
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In memory of Ilan Ramon - the first Israeli astronaut.<br />
<br /><br />[url]\"http://members.chello.nl/~j.vanthull/BG2SR/Home.htm\" target=\"_blank\">BGII Spells Reference</a> - everything you ever wanted to know about spells!