diff --git a/env_vars/.env_web b/env_vars/.env_web
index 41ce89b68..ae7aaa624 100644
--- a/env_vars/.env_web
+++ b/env_vars/.env_web
@@ -16,7 +16,7 @@ ZBX_SERVER_NAME=Composed installation
 # ZBX_VAULTCACHE=false # Available since 6.2.0
 # 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
+# ZBX_SSO_SETTINGS={} # Available since 5.0.0. Then will be converted from JSON to PHP array.
 # ZBX_ALLOW_HTTP_AUTH=true # Available since 7.0.0
 # ENABLE_WEB_ACCESS_LOG=true
 # ZBX_MAXEXECUTIONTIME=600