Add zip comment to md.

Author: MarenBermudezBoeckle

README.md

@@ -33,9 +33,11 @@ possible to push the raw data to github. There are two ways for doing this.
    Nacional Urbana de Seguridad", and in "Año" click 2023. Then click "Aplicar" and
    search for "Base de datos ENUSC 2023" and download it.
 
-After completing one of this two ways put the file into the data folder in
+After completing one of this two ways put the file into the **data folder** in
 src/project_mbb.
 
+(Make sure you are **not** downloading the data as a **.zip**)
+
 ## Programs set-up
 
 To set up this project, you first need to install
@@ -99,8 +101,8 @@ $ pip install kaleido==0.1.0.post1
 ```
 
 If Pytest has problems, it may be because you run Pytest before Pytask. Some tests build
-on the data structure and the plots. In this case, to test like this was the best way to
-be sure that everything is working correctly.
+on the plots. In this case, to test like this was the best way to be sure that
+everything is working correctly.
 
 # Cleaning Part Description (Extra, not mandatory to read)