From 169cb996c564eeffc51653882c9f7aa3898fdc44 Mon Sep 17 00:00:00 2001
From: Craige McWhirter <craige@mcwhirter.io>
Date: Thu, 5 Sep 2019 11:36:19 +1000
Subject: [PATCH] postgresql: improve identMap description

This patch provides example usage for identMap based upon PostrgeSQL documentation

@thoughtpolice
---
 nixos/modules/services/databases/postgresql.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/nixos/modules/services/databases/postgresql.nix b/nixos/modules/services/databases/postgresql.nix
index 10250bb5193..1ed4d3290ce 100644
--- a/nixos/modules/services/databases/postgresql.nix
+++ b/nixos/modules/services/databases/postgresql.nix
@@ -81,6 +81,10 @@ in
         default = "";
         description = ''
           Defines the mapping from system users to database users.
+
+          The general form is:
+
+          map-name system-username database-username
         '';
       };