Update README.md

Author: github-actions[bot]

README.md

@@ -260,7 +260,14 @@ Placeholders can be added by setting `VARIABLES` inside your Environment.
 
 ```yaml
 environment:
-  VARIABLES: ' "NUMBER2": "002", "GROUP_CHAT_1": [ "user.id", "000", "001", "group.id" ] '
+  VARIABLES: |
+	"NUMBER2": "002",
+	"GROUP_CHAT_1": [
+		"user.id", 
+		"000", 
+		"001", 
+		"group.id"
+	]
 ```
 
 ### Recipients