_sidebar.md

@@ -8,34 +8,35 @@
 
 ## GNSS architecture
 
-_GNSS_
+**_GNSS_**
 
 - [Beidou](Beidou)
 - [Galileo](Galileo)
 - [GLONASS](GLONASS)
 - [GPS](GPS)
 
-_Regional positioning satellite systems_
+**_Regional positioning satellite systems_**
 
 - [IRNSS](IRNSS)
 - [QZSS](QZSS)
 
-## ERRORS
-
-- [Ionospheric and tropospheric error](/teamgeoloc/smartloc/-/wikis/Ionospheric%20and%20tropospheric%20error)
-- [Orbital errors](/teamgeoloc/smartloc/-/wikis/Orbital%20errors)
-- [Multipath Signaling](/teamgeoloc/smartloc/-/wikis/Multipath%20Signaling)
-- [The clock synchronization problem](/teamgeoloc/smartloc/-/wikis/The%20clock%20synchronization%20problem)
-- [Bonus : Why do you need 4 satellites to locate someone?](/teamgeoloc/smartloc/-/wikis/Why%20do%20you%20need%204%20satellites%20to%20locate%20someone)
-
 ## SIGNAL PROCESSING
 
+- [Signal processing hardware](Signal%20processing%20hardware)
 - [Signal acquisition](Signal%20acquisition)
 - [Signal tracking](https://gitlab.univ-eiffel.fr/teamgeoloc/smartloc/-/wikis/Signal%20tracking)
 - [Signal monitoring](Signal%20monitoring)
 - [Ground segment](Ground%20segment)
 - [Extraction of raw measurements](Extraction%20of%20raw%20measurements)
-- [Signal processing hardware](Signal%20processing%20hardware)
+
+
+## ERRORS
+
+- [Ionospheric and tropospheric error](/teamgeoloc/smartloc/-/wikis/Ionospheric%20and%20tropospheric%20error)
+- [Orbital errors](/teamgeoloc/smartloc/-/wikis/Orbital%20errors)
+- [Multipath Signaling](/teamgeoloc/smartloc/-/wikis/Multipath%20Signaling)
+- [The clock synchronization problem](/teamgeoloc/smartloc/-/wikis/The%20clock%20synchronization%20problem)
+- [Bonus : Why do you need 4 satellites to locate someone?](/teamgeoloc/smartloc/-/wikis/Why%20do%20you%20need%204%20satellites%20to%20locate%20someone)
 
 ## CALCULATION 
 - [How to calculate your position?](How%20to%20calculate%20your%20position?)