diff --git a/TestGrid.md b/TestGrid.md
index f0cf8f5..68309ba 100644
--- a/TestGrid.md
+++ b/TestGrid.md
@@ -71,4 +71,6 @@ Suggested server setup:
 
  * Enable expiration with 1-month lease maximums on your node, to keep it from just filling up.
 
+## Other Public/Volunteer Grids
 
+ * [VolunteerGrid2](http://www.bigpig.org/)
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