[fixup] Grammar

Signed-off-by: Philip H <[email protected]>

docs/changelog.json

@@ -11,5 +11,5 @@
   "10": "Added sessionless HTTP API auth & automatic dark mode.",
   "11": "Multilanguage Support & various bugfixes.",
   "12": "UI_TRAFFIC_STATS, Import json configurations with no PreShared-Key, allow clients with no privateKey & more.",
-  "13": "new framework (h3), UI_CHART_TYPE, some bugfixes and more"
+  "13": "New framework (h3), UI_CHART_TYPE, some bugfixes and more."
 }