diff --git a/docs/xlibdriver.html b/docs/xlibdriver.html
index ce1ff3b..d3d8ab4 100644
--- a/docs/xlibdriver.html
+++ b/docs/xlibdriver.html
@@ -107,7 +107,7 @@
 <p>
 When using Mesa directly or with GLX, it's up to the application
 writer to create a window with an appropriate colormap.  The GLUT
-toolkit tris to minimize colormap <em>flashing</em> by sharing
+toolkit tries to minimize colormap <em>flashing</em> by sharing
 colormaps when possible.  Specifically, if the visual and depth of the
 window matches that of the root window, the root window's colormap
 will be shared by the Mesa window.  Otherwise, a new, private colormap