diff --git a/README.md b/README.md
index 0bec080..1bd3ec1 100644
--- a/README.md
+++ b/README.md
@@ -16,10 +16,20 @@
 
 ![alt text](images/swarmlab-network.png "")
 
-##  LabInstance install xelatexthesis
+
+## Prepare
+
+1. install Docker: https://docs.docker.com/engine/install/debian/#install-using-the-repository
+
+2. install keys http://docs.swarmlab.io/SwarmLab-HowTos/swarmlab/docs/swarmlab/docs/install/install-docker.html#fix-x509-certificate-signed-by-unknown-authority-issue
 
 
-## Clone repo
+
+##  LabInstance install xelatexthesis
+
+> ********************* 
+> Clone repo
+> ********************* 
 
 mkdir project_dir
 
@@ -27,6 +37,17 @@ git clone https://git.swarmlab.io:3000/swarmlab/microservice-xelatexthesis.git
 
 ### create service
 
+>
+> ********************* 
+>
+>  It is the first step in starting a new project, which includes the necessary preparations, configurations, and settings to get the project started.
+>
+> ********************* 
+>
+> Run it only once in the beginning. Be careful; if you run it again later after you've done some work, meaning you've progressed, this action will revert the project to its initial state
+>
+> ********************* 
+
 >
 > cd project_dir/microservice-xelatexthesis
 >
@@ -83,8 +104,7 @@ git clone https://git.swarmlab.io:3000/swarmlab/microservice-xelatexthesis.git
 > make clean
 >
 
-
-## HowTo use it
+## How do I work in sessions every day with XeLaTeX
 
  (A) cd project_dir/microservice-xelatexthesis
 
@@ -93,8 +113,14 @@ git clone https://git.swarmlab.io:3000/swarmlab/microservice-xelatexthesis.git
  (2) Compile LaTeX document:   make pdf 
 
  (3) View pdf: docs/main.pdf 
-
- (3.1) open main.pdf with the pdf viewer of your choice (do not close it!)
+>
+> ****************
+>
+> Open 'docs/main.pdf' with the PDF viewer of your choice (do not close it!). 
+> This allows you to automatically see any changes in the next 'make pdf'.
+>
+> ****************
+>
 
 
 ## Default xeLatex