Update translation_EN.json

Translations/translation_EN.json

@@ -2,7 +2,8 @@
 	"languageCode": "EN",
 	"languageLocalName": "English",
 	"fonts": [
-		"ascii_basic"
+		"ascii_basic",
+		"latin_extended"
 	],
 	"tempUnitFahrenheit": true,
 	"messages": {
@@ -179,7 +180,7 @@
 				"Calibrate CJC",
 				"at next boot"
 			],
-			"desc": "Calibrate tip Cold Junction Compensation at the next boot (not required if Delta T is < 5 C)"
+			"desc": "Calibrate tip Cold Junction Compensation at the next boot (not required if Delta T is < 5°C)"
 		},
 		"SettingsReset": {
 			"text2": [