diff --git a/conf/.env.production.sample b/conf/.env.production.sample
index d6bd0c6..c15eb4a 100644
--- a/conf/.env.production.sample
+++ b/conf/.env.production.sample
@@ -10,6 +10,7 @@ DB_NAME=__DB_NAME__
 DB_PASS=__DB_PWD__
 DB_PORT=5432
 # Optional ElasticSearch configuration
+# You may also set ES_PREFIX to share the same cluster between multiple Mastodon servers (falls back to REDIS_NAMESPACE if not set)
 # ES_ENABLED=true
 # ES_HOST=es
 # ES_PORT=9200
@@ -222,7 +223,7 @@ STREAMING_CLUSTER_NUM=1
 # SAML_ATTRIBUTES_STATEMENTS_FULL_NAME="urn:oid:2.16.840.1.113730.3.1.241"
 # SAML_ATTRIBUTES_STATEMENTS_FIRST_NAME="urn:oid:2.5.4.42"
 # SAML_ATTRIBUTES_STATEMENTS_LAST_NAME="urn:oid:2.5.4.4"
-# SAML_UID_ATTRIBUTE="urn:oid:0.9.2342.19200300.100.1.1"
+# SAML_UID_ATTRIBUTE="urn:oid:0.9.2342.19200300.100.1.1"
 # SAML_ATTRIBUTES_STATEMENTS_VERIFIED=
 # SAML_ATTRIBUTES_STATEMENTS_VERIFIED_EMAIL=