Update README.md

Change normal to formatted text in the description

Author: hypeofpipe

README.md

@@ -433,7 +433,7 @@ const response = await client.conversations.create({
 
 #### [Retrieve a conversation](https://developers.intercom.com/intercom-api-reference/reference/retrieve-a-conversation)
 
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 ```typescript
 const response = await client.conversations.find({