fix typo

tests/oversample/README.md

@@ -69,12 +69,12 @@ shrunk a font down really far, right?
 
 But you can play with it in the oversample.exe app. If you turn it on,
 white-on-black fonts become too thick (i.e. they become too bright), and
-black-on-white fonts become too thin (i.e. they are too dark). There is
+black-on-white fonts become too thin (i.e. they are insufficiently dark). There is
 no way to adjust the font's inherent thickness (i.e. by switching to
 bold) to fix this for both; making the font thicker will make white
 text worse, and making the font thinner will make black text worse.
 Obviously you could use different fonts for light and dark cases, but
-this doesn't like a very good way for fonts to work.
+this doesn't seem like a very good way for fonts to work.
 
 Multiple people who have experimented with this independently (me,
 Fabian Giesen,and Maxim Shemanarev of Anti-Grain Geometry) have all