add more options to code block example

Author: ethanpalm

code.mdx

@@ -21,7 +21,7 @@ To denote a `word` or `phrase` as code, enclose it in backticks (`).
 
 Use [fenced code blocks](https://www.markdownguide.org/extended-syntax/#fenced-code-blocks) by enclosing code in three backticks. Specify the programming language for syntax highlighting and to enable meta options. Add any meta options after the language.
 
-```java HelloWorld.java
+```java HelloWorld.java lines icon="java"
 class HelloWorld {
     public static void main(String[] args) {
         System.out.println("Hello, World!");
@@ -30,7 +30,7 @@ class HelloWorld {
 ```
 
 ````mdx
-```java HelloWorld.java
+```java HelloWorld.java lines icon="java"
 class HelloWorld {
     public static void main(String[] args) {
         System.out.println("Hello, World!");