update main chapters

- signed-off-by: trimstray <trimstray@gmail.com>

README.md

@@ -45,11 +45,11 @@
 
 ## :notebook_with_decorative_cover:  What is it?
 
-This list is a collection of various materials and tools that I use every day in my work. It contains a lot of useful information gathered in one piece.
+This repository is a collection of various materials and tools that I use every day in my work. It contains a lot of useful information gathered in one piece. It is an invaluable source of knowledge for me that I often look back on.
 
 ## :restroom:  For whom?
 
-This collection is suitable for everyone. It is aimed towards System and Network administrators, DevOps, Pentesters and Security Researchers.
+For everyone, really. Here everyone can find their favourite tastes. But to be perfectly honest, it is aimed towards System and Network administrators, DevOps, Pentesters, and Security Researchers.
 
 ## :information_source:  Contributing