Update labels for instance terminology in en.json

Author: Tonitzpp

ui/public/locales/en.json

@@ -2503,10 +2503,10 @@
 "label.vmfs": "VMFS",
 "label.vmipaddress": "Instance IP address",
 "label.vmlimit": "Instance limits",
-"label.maxvmsnapshot": "Max. VM snapshot",
+"label.maxvmsnapshot": "Max. Instance snapshot",
 "label.vmname": "Instance name",
 "label.vms": "Instances",
-"label.vmsnapshotlimit": "VM snapshot limits",
+"label.vmsnapshotlimit": "Instance snapshot limits",
 "label.vmscheduleactions": "Actions",
 "label.vmstate": "Instance state",
 "label.vmtotal": "Total of Instances",