-OpenGL is a standard API for drawing three-dimensional graphics. From
-its origin in Silicon Graphics's workstations the early 1990s, today
-it has become ubiquitous, with implementations on mobile phones,
-televisions, tablets, desktops, and even web browsers.
+The OpenGL API is a standard interface for drawing three-dimensional
+graphics. From its origin in Silicon Graphics's workstations the
+early 1990s, today it has become ubiquitous, with implementations on
+mobile phones, televisions, tablets, desktops, and even web browsers.