diff --git a/en/device-dev/kernel/kernel-small-overview.md b/en/device-dev/kernel/kernel-small-overview.md
index fecd1264ff516bfbc853d81ec851e12a25a5b3f6..4133a0bc032a263659fc2e3b671b7f105b5d0534 100644
--- a/en/device-dev/kernel/kernel-small-overview.md
+++ b/en/device-dev/kernel/kernel-small-overview.md
@@ -96,7 +96,7 @@ Extended components provide optional but important mechanism for extending kerne
 -   Permission management: supports process-based privilege division and control, and file user, group, and other \(UGO\) permission configuration.
 ## Directory Structure<a name="section161941989596"></a>
 
-```
+```tex
 /kernel/liteos_a
 ├── apps                   # User-space init and shell application programs
 ├── arch                   # System architecture, such as ARM