diff --git a/.env.example b/.env.example
index 80c9613..35e6f42 100644
--- a/.env.example
+++ b/.env.example
@@ -1,2 +1,3 @@
 HOSTNAME=localhost
-API_TOKEN=["token1", "token2", "token3"]
\ No newline at end of file
+API_TOKEN=["token1", "token2", "token3"]
+BOARD_TTL=300
\ No newline at end of file