Modify error message

index.html

@@ -132,7 +132,7 @@
 				error_message,
 				"",
 				"",
-				"CheerpX is expected to work with recent desktop versions of Chrome, Edge and Firefox",
+				"CheerpX is expected to work with recent desktop versions of Chrome, Edge, Firefox and Safari",
 				"",
 				"",
 				"Give it a try from a desktop version / another browser!",