diff --git a/.cspell.json b/.cspell.json
index 0eab76b..b05c6d3 100644
--- a/.cspell.json
+++ b/.cspell.json
@@ -15,6 +15,7 @@
     "nwaku",
     "deanonymization",
     "ECIES",
+    "enrtree",
     "Discv5",
     "Gossipsub",
     "LIGHTPUSH",