Merge pull request #459 from 01-edu/groupie-tracker-names-fix

Groupie tracker names fix

subjects/groupie-tracker/groupie-tracker-filters.en.md

@@ -1,10 +1,10 @@
-## groupie-trackers-filters
+## groupie-tracker-filters
 
 ### Objectives
 
-You must follow the same [principles](https://public.01-edu.org/subjects/groupie-trackers/groupie-trackers.en) as the first subject.
+You must follow the same [principles](https://public.01-edu.org/subjects/groupie-tracker/groupie-tracker.en) as the first subject.
 
-- Groupie Trackers Filters consists on letting the user filter the artists/bands that will be shown.
+- Groupie Tracker Filters consists on letting the user filter the artists/bands that will be shown.
 
 - Your project must incorporate at least these four filters:
   - filter by creation date

subjects/groupie-tracker/groupie-tracker-geolocation.en.md

@@ -1,10 +1,10 @@
-## groupie-trackers-geolocation
+## groupie-tracker-geolocation
 
 ### Objectives
 
-You must follow the same [principles](https://public.01-edu.org/subjects/groupie-trackers/groupie-trackers.en) as the first subject.
+You must follow the same [principles](https://public.01-edu.org/subjects/groupie-tracker/groupie-tracker.en) as the first subject.
 
-- Groupie Trackers Geolocation consists on mapping the different concerts locations of a certain artist/band given by the Client.
+- Groupie Tracker Geolocation consists on mapping the different concerts locations of a certain artist/band given by the Client.
 
 - You must use a process of converting addresses (ex: Germany Mainz) into geographic coordinates (ex: 49,59380 8,15052) which you must use to place markers for the concerts locations of a certain artist/band on a map.
 

subjects/groupie-tracker/groupie-tracker-search-bar.en.md

@@ -1,10 +1,10 @@
-## groupie-trackers-search-bar
+## groupie-tracker-search-bar
 
 ### Objectives
 
-You must follow the same [principles](https://public.01-edu.org/subjects/groupie-trackers/groupie-trackers.en) as the first subject.
+You must follow the same [principles](https://public.01-edu.org/subjects/groupie-tracker/groupie-tracker.en) as the first subject.
 
-Groupie-trackers-search-bar consists of creating a functional program that searches, inside your website, for a specific input text.
+Groupie-tracker-search-bar consists of creating a functional program that searches, inside your website, for a specific input text.
 
 - The program should handle at least these search cases :
   - artist/band name

subjects/groupie-tracker/groupie-tracker.en.md

@@ -1,4 +1,4 @@
-## groupie-trackers
+## groupie-tracker
 
 ### Objectives