Update 12. Link Google Sheets.md (#184)

Changed the experssion to <%= Glific.send_template("{uuid}", ["{variables}"]) %>

docs/3. Product Features/03. Flows/2. Flow Actions/12. Link Google Sheets.md

@@ -93,7 +93,7 @@ Let us dive in a bit deeper by looking at the steps involved :
 
 As you can see, the row input field is given an expression `@calendar.current_date` which tries to match the current date value with a `Key` value. If a match is found, then that row is chosen.
 
-5. In the next step, `Send contact a message` is used and an expression is given in place of the template selection drop-down. The expression reads `<%= Glific.Clients.ColoredCow.send_template("@results.sheet.template_uuid", ["@contact.name"]) %>`
+5. In the next step, `Send contact a message` is used and an expression is given in place of the template selection drop-down. The expression reads `<%= Glific.send_template("{uuid}", ["{variables}"]) %>`
 
 ![Screenshot 2023-09-15 at 1 56 54 PM](https://user-images.githubusercontent.com/132430123/268223071-9f2730b9-9364-46fc-b062-1bbd39c102f9.png)