home.md

@@ -10,7 +10,7 @@
 
 [What is GeolocPVT?](What%20is%20GeolocPVT)
 
-There are several different GNSS, to start this WIKI it is interesting to understand the **history**, the **stakes** and the **organisation** **of the different GNSS:** 
+There are several different GNSS, to start this WIKI it is interesting to understand the **history**, the **stakes** and the **organisation** **of the different GNSS:**
 
 # PART.1 : GNSS ARCHITECTURE
 
@@ -52,9 +52,13 @@ Once the tracking has been carried out, **monitoring** will make it possible **t
 
 [Extraction of raw measurements](Extraction%20of%20raw%20measurements)
 
-[Ground segment](Ground%20segment)
+[Ground segment - A DEPLACER](Ground%20segment)
 
-# PART.3 : CALCULATION
+# PART.3 : HOW IT WORKS
+
+#### _Few things we need before the calculation process:_ 
+
+#### _Calculation process:_
 
 [How to calculate your position?](How%20to%20calculate%20your%20position?)