diff --git a/bitnami/postgresql/help.txt b/bitnami/postgresql/help.txt
index 1051dc972105..559584816630 100644
--- a/bitnami/postgresql/help.txt
+++ b/bitnami/postgresql/help.txt
@@ -4,6 +4,11 @@
       POSTGRESQL_USER: User to be created on first boot (default: postgres).
       POSTGRESQL_PASSWORD: Password to be set for POSTGRESQL_USER on first boot (default: none).
       POSTGRESQL_DATABASE: Database to be created on first boot, accessible by POSTGRESQL_USER (default: none).
+      POSTGRESQL_REPLICATION_MODE: Replication mode. Possible values master/slave (default: none).
+      POSTGRESQL_REPLICATION_USER: Replication user. User is created on the master at first boot (default: none).
+      POSTGRESQL_REPLICATION_PASSWORD: Replication users password. Password is set for POSTGRESQL_REPLICATION_USER on master on the first boot (default: none).
+      POSTGRESQL_MASTER_HOST: Hostname/IP of replication master (parameter available only on slave).
+      POSTGRESQL_MASTER_PORT: Port of replication master, defaults to 5432 (parameter available only on slave).
   
     VOLUMES:
       $BITNAMI_APP_VOL_PREFIX/data: Location of $BITNAMI_APP_NAME data files.
diff --git a/bitnami/postgresql/help.yaml b/bitnami/postgresql/help.yaml
index 3f020014c24b..df5d8f2bb70a 100644
--- a/bitnami/postgresql/help.yaml
+++ b/bitnami/postgresql/help.yaml
@@ -2,6 +2,11 @@ environment_variables:
   POSTGRESQL_USER: "User to be created on first boot (default: postgres)."
   POSTGRESQL_PASSWORD: "Password to be set for POSTGRESQL_USER on first boot (default: none)."
   POSTGRESQL_DATABASE: "Database to be created on first boot, accessible by POSTGRESQL_USER (default: none)."
+  POSTGRESQL_REPLICATION_MODE: "Replication mode. Possible values master/slave (default: none)."
+  POSTGRESQL_REPLICATION_USER: "Replication user. User is created on the master at first boot (default: none)."
+  POSTGRESQL_REPLICATION_PASSWORD: "Replication users password. Password is set for POSTGRESQL_REPLICATION_USER on master on the first boot (default: none)."
+  POSTGRESQL_MASTER_HOST: "Hostname/IP of replication master (parameter available only on slave)."
+  POSTGRESQL_MASTER_PORT: "Port of replication master, defaults to `5432` (parameter available only on slave)."
 volumes:
   $BITNAMI_APP_VOL_PREFIX/data: "Location of $BITNAMI_APP_NAME data files."
   $BITNAMI_APP_VOL_PREFIX/conf: "Location of $BITNAMI_APP_NAME config files."