diff --git a/docs/xlibdriver.html b/docs/xlibdriver.html
index fc8c201fcd4..b4de10e36f1 100644
--- a/docs/xlibdriver.html
+++ b/docs/xlibdriver.html
@@ -171,9 +171,8 @@ drawn with glDrawPixels.
 </p>
 
 <p>
-For more information about gamma correction see:
-<a href="http://www.inforamp.net/~poynton/notes/colour_and_gamma/GammaFAQ.html">
-the Gamma FAQ</a>
+For more information about gamma correction, see the
+<a href="https://en.wikipedia.org/wiki/Gamma_correction">Wikipedia article</a>
 </p>