README: Minor updates

README.md

@@ -3,7 +3,13 @@ Basics of a single Linux server/client environment
 
 - This repository is related to single-server/client Linux (server) environments.
 
-- This repository, as for now, doesn't contain any advanced set-up & maintenance instructions for multi-client/server environment techniques such as Puppet or Salt.
+- This repository, as for now, doesn't contain any advanced set-up & maintenance instructions for multi-client/server environment techniques such as Puppet or SaltStack. For setting up a SaltStack environment, see:
+
+    - [Fincer/salt_testrun](https://www.github.com/Fincer/salt_testrun)
+    
+    - [Fincer/salt_gisworkstation](https://www.github.com/Fincer/salt_gisworkstation)
+    
+    - [Fincer/central-management-of-multiple-servers](https://github.com/Fincer/central-management-of-multiple-servers)
 
 - This repository doesn't contain instructions to set up containers, such as Docker or Systemd-nspawn.
 
@@ -11,7 +17,7 @@ Basics of a single Linux server/client environment
 
 - The repository contains various exercises, originally presented in Finnish but translated into English due to practical purposes.
 
-- All bourne shell files (sh) presented in this repository are not directly related to the exercises but they are useful in some situations.
+- All bourne shell files sh) presented in this repository are not directly related to the exercises but they are useful in some situations.
 
 - **NOTE!** Instructions in this repository may not directly apply to your setting. The instructions have not been tested in a production environment, so if you decided to use them in your system configuration, you should apply them with care. I do not take any responsibility in a case of failure or broken system configurations.
 
@@ -19,11 +25,11 @@ Basics of a single Linux server/client environment
 
 ## Table of contents
 
-- [Exercise 1 - Installing & getting familiar with a Linux OS](https://github.com/Fincer/linux_server_setup/blob/master/exercises/h1.md)
+- [Exercise 1 - Installation & getting familiar with a Linux OS](https://github.com/Fincer/linux_server_setup/blob/master/exercises/h1.md)
 
 - [Exercise 2 - Simple log analysis](https://github.com/Fincer/linux_server_setup/blob/master/exercises/h2.md)
 
-- [Exercise 3 - Setting up Apache & PHP](https://github.com/Fincer/linux_server_setup/blob/master/exercises/h3.md)
+- [Exercise 3 - Setting up Apache & PHP environments](https://github.com/Fincer/linux_server_setup/blob/master/exercises/h3.md)
 
 - [Exercise 4 - Apache web development environment configuration for a regular user](https://github.com/Fincer/linux_server_setup/blob/master/exercises/h4.md)