New translations en.json (Slovenian)

i18n/sl.json

@@ -164,7 +164,7 @@
     "EiB": "EB",
     "ZiB": "ZB",
     "YiB": "YB",
-    "KB": "KB",
+    "kB": "kB",
     "MB": "MB",
     "GB": "GB",
     "TB": "TB",