diff --git a/env_vars/.env_web b/env_vars/.env_web
index d71c9a3ef..ae96d1ad2 100644
--- a/env_vars/.env_web
+++ b/env_vars/.env_web
@@ -12,6 +12,7 @@ ZBX_SERVER_NAME=Composed installation
 # VAULT_TOKEN=
 # ZBX_HISTORYSTORAGEURL=http://elasticsearch:9200/ # Available since 3.4.5
 # ZBX_HISTORYSTORAGETYPES=['uint', 'dbl', 'str', 'text', 'log'] # Available since 3.4.5
+# ZBX_SSO_SETTINGS=[] # Available since 5.0.0
 # ENABLE_WEB_ACCESS_LOG=true
 # ZBX_MAXEXECUTIONTIME=600
 # ZBX_MEMORYLIMIT=128M