Fix code block linter error

Signed-off-by: Maria Pana <[email protected]>

content/blog/2024-07-10-gsoc-multiboot2.mdx

@@ -83,7 +83,7 @@ In the context of this project, it may be valuable to note that simply adding th
 On top of that, both `multiboot.py` and `multiboot2.py` scripts add an extra ELF header with updated offsets, "sandwiching" the Multiboot2 header between it and the original ELF.
 To better visualize this, we can refer to the following diagram:
 
-```
+```text
 +--------------------+
 | Updated EHDR       |
 +--------------------+