Fix warnings

docs/modules/ROOT/pages/index.adoc

@@ -97,7 +97,7 @@ Describe containers using NixOS-style modules. There are a few options:
 ```nix
 { pkgs, ... }:
 {
-  config.docker-compose.services = {
+  config.services = {
 
     webserver = {
       service.useHostStore = true;
@@ -123,7 +123,7 @@ Describe containers using NixOS-style modules. There are a few options:
 ```nix
 
 {
-  docker-compose.services.webserver = { config, pkgs, ... }: {
+  services.webserver = { config, pkgs, ... }: {
 
     nixos.configuration = {config, pkgs, ...}: {
       boot.isContainer = true;
@@ -153,7 +153,7 @@ Describe containers using NixOS-style modules. There are a few options:
 
 ```nix
 {
-  docker-compose.services.webserver = { pkgs, ... }: {
+  services.webserver = { pkgs, ... }: {
     nixos.useSystemd = true;
     nixos.configuration.boot.tmpOnTmpfs = true;
     nixos.configuration.services.nginx.enable = true;
@@ -170,7 +170,7 @@ Describe containers using NixOS-style modules. There are a few options:
 
 ```nix
 {
-  docker-compose.services.postgres = {
+  services.postgres = {
     service.image = "postgres:10";
     service.volumes = [ "${toString ./.}/postgres-data:/var/lib/postgresql/data" ];
     service.environment.POSTGRES_PASSWORD = "mydefaultpass";

examples/full-nixos/arion-compose.nix

@@ -1,5 +1,5 @@
 {
-  docker-compose.services.webserver = { pkgs, ... }: {
+  services.webserver = { pkgs, ... }: {
     nixos.useSystemd = true;
     nixos.configuration.boot.tmpOnTmpfs = true;
     nixos.configuration.services.nginx.enable = true;

examples/minimal/arion-compose.nix

@@ -1,6 +1,6 @@
 { pkgs, ... }:
 {
-  config.docker-compose.services = {
+  config.services = {
 
     webserver = {
       service.useHostStore = true;

examples/nixos-unit/arion-compose.nix

@@ -17,7 +17,7 @@
  */
 
 {
-  docker-compose.services.webserver = { config, pkgs, ... }: {
+  services.webserver = { config, pkgs, ... }: {
 
     nixos.configuration = {config, pkgs, ...}: {
       boot.isContainer = true;

src/haskell/testdata/Arion/NixSpec/arion-compose.nix

@@ -1,5 +1,5 @@
 {
-  docker-compose.services.webserver = { pkgs, ... }: {
+  services.webserver = { pkgs, ... }: {
     nixos.useSystemd = true;
     nixos.configuration.boot.tmpOnTmpfs = true;
     nixos.configuration.services.nginx.enable = true;

src/nix/modules/service/host-store.nix

@@ -1,6 +1,6 @@
 /*
 
-   This service-level bind mounts the host store into the container
+   This service-level module bind mounts the host store into the container
    when the service.useHostStore option is set to true.
 
  */