update docs

Signed-off-by: Nannie_wangli <annie.wangli@huawei.com>

en/device-dev/subsystems/subsys-build-mini-lite.md

@@ -625,7 +625,7 @@ The following uses the RTL8720 development board provided by Realtek as an examp
 
 2.  Create a directory for kernel adaptation and build the  **config.gni**  file of the development board.
 
-    For example, to adapt the LiteOS Cortex-M kernel to the RTL8720 development board, configure the  **device/realtek/rtl8720/liteos\_a/config.gni**  file as follows:
+    For example, to adapt the LiteOS-A kernel to the RTL8720 development board, configure the  **device/realtek/rtl8720/liteos\_a/config.gni**  file as follows:
 
     ```
     # Kernel type, e.g. "linux", "liteos_a", "liteos_m".