--- a/README
+++ b/README
@@ -1,8 +1,20 @@
+
+********************************************************
+
+TBPL has now been end-of-lifed:
+https://bugzilla.mozilla.org/show_bug.cgi?id=1054977
+
+Please see its replacement, Treeherder:
+https://wiki.mozilla.org/Auto-tools/Projects/Treeherder
+https://treeherder.mozilla.org/
+
+********************************************************
+
 This is TBPL (aka TinderboxPushLog):
 https://wiki.mozilla.org/Sheriffing/TBPL
 
 Some links:
 
  - Official Firefox instance: https://tbpl.mozilla.org/
  - Repository: https://hg.mozilla.org/webtools/tbpl/
  - All bugs: https://bugzilla.mozilla.org/buglist.cgi?product=Tree+Management&component=TBPL