Fine tweaks to template descriptions (#2264)

### What problem does this PR solve?


### Type of change


- [x] Documentation Update

agent/templates/customer_service.json

@@ -1,7 +1,7 @@
 {
   "id": 3,
   "title": "Customer service",
-  "description": "A call-in customer service chat bot. It will provide useful information about the products, answer customers' questions and soothe the customers' bad emotions.",
+  "description": "A customer service chatbot that explains product specifications, addresses customer queries, and alleviates negative emotions.",
   "canvas_type": "chatbot",
   "dsl": {
     "answer": [],