diff --git a/src/pages/blocks/code/code-highlighted-line.md b/src/pages/blocks/code/code-highlighted-line.md
index d9d2dda..632183a 100644
--- a/src/pages/blocks/code/code-highlighted-line.md
+++ b/src/pages/blocks/code/code-highlighted-line.md
@@ -12,17 +12,17 @@ Highlight specific lines in code blocks to draw attention to important code sect
 Use `data-line` attribute after the language identifier:
 
 ````
-```console-data-line="1-2, 5, 9-20"
+```console-data-line="1-2,5,9-20"
 ```
 ````
 
 ## Parameters
 
-- **data-line**: Comma-separated list of line numbers or ranges to highlight (e.g., `"1-2, 5, 9-20"`)
+- **data-line**: Comma-separated list of line numbers or ranges to highlight (e.g., `"1-2,5,9-20"`)
 
 ## Example
 
-```javascript-data-line="2-3, 6"
+```javascript-data-line="2-3,6"
 function processData(input) {
     const cleaned = input.trim();        // Highlighted
     const parsed = JSON.parse(cleaned);  // Highlighted