Update delta.chat.json

delta.chat.json

@@ -66,13 +66,13 @@
 		"created_year": "2017",
 		"description": "Delta Chat is like Telegram or Whatsapp but without the tracking or central control. Delta Chat does not need your phone number.",
 		"category_list": ["Telecommunication"],
-		"similar_software_list": [{
+		"similar_solution_list": [{
 			"title": "Telegram",
-			"similiar_software_url": "https://telegram.org/",
+			"similiar_solution_url": "https://telegram.org/",
 			"category": "telecommunication"
 		},{
 			"title": "Whatsapp",
-			"similiar_software_url": "https://www.whatsapp.com/",
+			"similiar_solution_url": "https://www.whatsapp.com/",
 			"category": "telecommunication"
 		}],
 		"licence_list": ["GPL-3.0-or-later"],