Patch for stable.html

Updates references from faq/upgrade46.html to faq/upgrade50.html.

diff --git a/stable.html b/stable.html
index 9984d8a..c303dd6 100644
--- a/stable.html
+++ b/stable.html
@@ -95,12 +95,12 @@ Instructions for getting the patch branch and staying up to date are
 described in the <b>Getting Started</b> section of the
 <a href="anoncvs.html#starting">AnonCVS documentation</a>.
 Note that patch branches do not help to upgrade from one release of
-OpenBSD to another, e.g. to go from 4.5 to 4.6.  They only provide
+OpenBSD to another, e.g. to go from 4.9 to 5.0.  They only provide
 a means for staying up to date with the patches within a given release.
 
 <p>
 Do not attempt to go from one release to another via source.
-Instead, please visit the <a href="faq/upgrade46.html">upgrade guide</a>.
+Instead, please visit the <a href="faq/upgrade50.html">upgrade guide</a>.
 Also, you cannot go backwards, from -current back to -stable, because of
 library versioning problems and other changes.