-<p>The PostScript files were generated using TeX and dvips. The pictures
-are 90dpi anti-aliased snapshots of the printed output. The images
-are in PNG format, and should be viewable with any current browser.
+<p>The PostScript files were generated using TeX and dvips at 600 dpi.
+The pictures are 90dpi anti-aliased snapshots of the printed output.
+The images are in PNG format, and should be viewable with any current
+browser.