diff --git a/BuildbotPolicy.md b/BuildbotPolicy.md
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--- a/BuildbotPolicy.md
+++ b/BuildbotPolicy.md
@@ -1,3 +1,5 @@
+This page is the Tahoe-LAFS project's policy on supported platforms and their relationship to Buildbot slaves.  You may also be interested in [How to Contribute a Buildbot](HowtoContributeABuildbot).
+
 There are two classes of builder for the [Tahoe Buildbot](http://allmydata.org/buildbot/): *Supported* and *Unsupported*.  The buildbot policy has two parts:
 
 1.  Packages are produced for *any* platform only when *all* of the supported platforms pass tests.  This means that if, for example, the Windows platform starts failing unit tests, then we stop producing new .deb packages for Debian or Ubuntu.  Also vice versa: if one of the Supported debian platforms fails its unit tests, then we stop producing new Windows packages.