Update README.md

README.md

@@ -27,11 +27,17 @@ logger.atInfo().log("Image info created: [image_info_id = '{}']", imageInfo.getI
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 ### Hot to name JSON keys: 
-"some_key_name": "value" (snake_case)
+(snake_case)
+```
+"some_key_name": "value" 
+```
 P.S. many JSON libraries (in Spring Framework), such as Jackson, support camelCase format out of the box.
+
 But snake_case is more convenient to read now.
 
 ### Size of methods and classes:
 The maximum length of methods is 100 lines. The maximum class length is 1000 lines.
+
 If the size of a method or class exceeds these values, then new business logic can only be added in the form of calling methods of other functions. 
+
 But it is better to carefully refactor it!