Update text field names in amend form of lesson details

aleksis/apps/chronos/frontend/components/calendar_feeds/details/LessonDetails.vue

@@ -147,12 +147,12 @@ export default {
             value: "subject",
           },
           {
-            text: this.$t("chronos.event.amend.teacher"),
-            value: "teacher",
+            text: this.$t("chronos.event.amend.teachers"),
+            value: "teachers",
           },
           {
-            text: this.$t("chronos.event.amend.room"),
-            value: "room",
+            text: this.$t("chronos.event.amend.rooms"),
+            value: "rooms",
           },
           {
             text: this.$t("chronos.event.amend.cancelled"),

aleksis/apps/chronos/frontend/messages/en.json

@@ -28,9 +28,9 @@
       "amend": {
         "title": "Amend",
         "subject": "Subject",
-        "teacher": "Teacher",
-        "room": "Room",
-        "cancelled": "Cancel",
+        "teachers": "Teachers",
+        "rooms": "Rooms",
+        "cancelled": "Cancelled",
         "comment": "Comment"
       }
     }