Apply new format to snippets and template

snippets/serializeCookie.md

@@ -5,7 +5,7 @@ tags: browser,string,intermediate
 
 Serialize a cookie name-value pair into a Set-Cookie header string.
 
-Use template literals and `encodeURIComponent()` to create the appropriate string.
+- Use template literals and `encodeURIComponent()` to create the appropriate string.
 
 ```js
 const serializeCookie = (name, val) => `${encodeURIComponent(name)}=${encodeURIComponent(val)}`;