update

docker-basics-and-troubleshoot/readme.md

@@ -7,10 +7,10 @@
 
 # Overview
 
-Docker is a container technology that utilizes the host OS's kernel while putting the userland applications into a sandbox.
-It is more lightweight than a full-fledged virtual machine, but you're applications need to be compatible with the host OS. 
+**Docker** is a container technology that uses the hosts kernel while putting the userland applications into a sandbox.
+It is much more lightweight than a full-fledged virtual machine, but can only run stuff that can run on host.
 
-Compose is a Docker tool that allows defining containers using a YAML file and run them with a single command.
+**Compose** is a Docker tool that allows defining containers using a YAML file and run them with a single command.
 
 The purpose of docker and docker-compose is either development or deployment.<br>
 Most of the stuff around here is about deployment, how to deploy others people work<br>