home.md

@@ -68,6 +68,8 @@ Moreover, <span dir="">the space segment is the backbone of the GNSS system, it
 
 [Spatial segment](https://gitlab.univ-eiffel.fr/teamgeoloc/smartloc/-/wikis/Spatial%20segment)
 
+Eventually, we **need 4 satellites** to locate: 
+
 [Why do you need 4 satellites to locate someone?](/teamgeoloc/smartloc/-/wikis/Why%20do%20you%20need%204%20satellites%20to%20locate%20someone)
 
 #### _Calculation process:_