Improve (or, well, at least arbitrarily change) the descriptions of various settings in the graphics options.

More than a few of these have annoyed me for a while, what with their typos and odd wording and occasional lack of important details.

Criticisms welcome. I mean, as long as it doesn't devolve into MORE bikeshedding. Even I don't enjoy that.
For one thing, it's a different tense than "will result in", although I just noticed that's actually a problem with the change, since the original matches "is a bit slower".  For another, it should be "fewer" issues.