diff --git a/scaling-community-decision-making/abstract.md b/scaling-community-decision-making/abstract.md
index 0e787a5..e72c87f 100644
--- a/scaling-community-decision-making/abstract.md
+++ b/scaling-community-decision-making/abstract.md
@@ -46,4 +46,5 @@ The most important things we have to do need to be done together.  And our work
 
 * https://events.drupal.org/nashville2018/sessions/scaling-community-decision-making
 * https://2018.tcdrupal.org/session/scaling-community-decision-making (accepted; badly presented; recording posted)
+* https://www.drupaldelphia.org/session/scaling-community-decision-making
 * https://2018.badcamp.net/session/scaling-community-decision-making