diff --git a/.env.example b/.env.example
index 3807407..1bc1bda 100644
--- a/.env.example
+++ b/.env.example
@@ -185,6 +185,9 @@ POOLER_DEFAULT_POOL_SIZE=20
 POOLER_MAX_CLIENT_CONN=100
 SECRET_KEY_BASE=
 VAULT_ENC_KEY=
+# Pool size for internal metadata storage used by Supavisor
+# This is separate from client connections and used only by Supavisor itself
+POOLER_DB_POOL_SIZE=5
 
 
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