Update ar.json

src/assets/i18n/ar.json

@@ -5,7 +5,7 @@
   " When the <b>UPS Mode</b> is set to <i>slave</i>. Enter the open network port number of the UPS <i>Master</i> system. The default port is <i>3493</i>.": "",
   " as of {dateTime}": "",
   " bytes.": "",
-  " cores at ": "",
+  " cores at ": missing"",
   " threads at ": "",
   "% of all cores": "",
   "'Hosts Allow' or 'Hosts Deny' has been set": "",
@@ -4556,4 +4556,4 @@
   "User domain - optional <a href=\"https://rclone.org/swift/#swift-region\" target=\"_blank\">(rclone documentation)</a>.": "User domain - optional <a href=\"https://rclone.org/swift/#swift-region\" target=\"_blank\">(rclone documentation)</a>.",
   "Username of the SNMP  <a href=\"https://pysnmp.readthedocs.io/en/latest/docs/pysnmp-hlapi-tutorial.html\"  target=\"_blank\">User-based Security Model (USM)</a> user.": "Username of the SNMP  <a href=\"http://snmplabs.com/pysnmp/docs/api-reference.html\\#pysnmp.hlapi.UsmUserData\"  target=\"_blank\">User-based Security Model (USM)</a> user.",
   "[Use fewer transactions in exchange for more RAM.](https://rclone.org/docs/#fast-list) This can also speed up or slow down the transfer.": "[Use fewer transactions in exchange for more RAM.](https://rclone.org/docs/\\#fast-list) This can also speed up or slow down the transfer."
-}
\ No newline at end of file
+}