<p>The main library and OpenGL is enabled by default. The first two options
above enables <a href="opengles.html">OpenGL ES 1.x and 2.x</a>. The last two
-options enables the listed classic and and Gallium drivers respectively.</p>
+options enables the listed classic and Gallium drivers respectively.</p>
</li>
<p>List the platforms (window systems) to support. Its argument is a comma
separated string such as <code>--with-egl-platforms=x11,drm</code>. It decides
the platforms a driver may support. The first listed platform is also used by
-the main library to decide the native platform: the platform the EGL native
+the main library to decide the native platform: this defines EGL native
types such as <code>EGLNativeDisplayType</code> or
-<code>EGLNativeWindowType</code> defined for.</p>
+<code>EGLNativeWindowType</code>.</p>
<p>The available platforms are <code>x11</code>, <code>drm</code>,
<code>wayland</code>, <code>surfaceless</code>, <code>android</code>,