Add information Makefile

docs/installation.md

@@ -34,7 +34,8 @@ To operate ANIS needs, in addition to the four containers mentioned above, sever
 ## Makefile
 
 ANIS contains a `Makefile` that helps the developer to install and start the application.
-Just for information, to list all operations availables just type `make` in your terminal.
+The latter `Makefile` defines CLI shortcuts for docker commands used to manage the different latter containers.
+Just for information, to list all available operations just type `make` in your terminal.
 
 ![anis_make](img/anis_make.png)
 
@@ -161,4 +162,4 @@ Few examples:
 
 ### Services
 
-* The services are available at the following address: `http://localhost:5000`
\ No newline at end of file
+* The services are available at the following address: `http://localhost:5000`