Update translations for de.json, es.json, and fr.json

assets/jsons/translations/de.json

@@ -728,7 +728,7 @@
     "maps": {
         "map-filter-panel": {
             "duration": "Länge",
-            "nps" : "Noten pro Sekunde",
+            "nps" : "Noten Pro Sekunde",
             "tags": "Stichworte",
             "specificities": "Allgemein",
             "requirements": "Anforderungen"

assets/jsons/translations/es.json

@@ -727,7 +727,7 @@
     "maps": {
         "map-filter-panel": {
             "duration": "Duración",
-            "nps" : "Notas por Segundo",
+            "nps" : "Notas Por Segundo",
             "tags": "tags",
             "specificities": "general",
             "requirements": "requisitos"

assets/jsons/translations/fr.json

@@ -724,7 +724,7 @@
     "maps": {
         "map-filter-panel": {
             "duration": "Durée",
-            "nps" : "Notes par Seconde",
+            "nps" : "Notes Par Seconde",
             "tags": "tags",
             "specificities": "général",
             "requirements": "requis"