diff --git a/README b/README
index 46686f770d2216f59aa3d3129b5aa057043d6368..205e69f2f7a74ef206269b283f3ada80ce9a3ad0 100644
--- a/README
+++ b/README
@@ -641,7 +641,7 @@ The following switch has been reported to work:
 
 The following location was used for the OpenGL library:
 
-	--with-opengl-lib=/usr/X11R6/lib --with-opengl-headers=/usr/X11R6/includ
+	--with-opengl-lib=/usr/X11R6/lib --with-opengl-headers=/usr/X11R6/include
 
 
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