diff --git a/zh-cn/device-dev/porting/porting-smallchip-prepare-building.md b/zh-cn/device-dev/porting/porting-smallchip-prepare-building.md
index 9fe8e43aff7baef85f9054fd49f5899d17c0a351..1a5c4104231706bbf1e1d133e18ae82504cac47f 100644
--- a/zh-cn/device-dev/porting/porting-smallchip-prepare-building.md
+++ b/zh-cn/device-dev/porting/porting-smallchip-prepare-building.md
@@ -86,7 +86,7 @@ sudo apt-get install gcc-arm-linux-gnueabi
    # Note: The default toolchain is "ohos-clang". It's not mandatory if you use the default toochain.
    board_toolchain = "mips-linux-gnu-gcc"
    
-   # The toolchain path instatlled, it's not mandatory if you have added toolchian path to your ~/.bashrc.
+   # The toolchain path installed, it's not mandatory if you have added toolchain path to your ~/.bashrc.
    board_toolchain_path = 
        rebase_path("//prebuilts/gcc/linux-x86/arm/arm-linux-ohoseabi-gcc/bin",
                    root_build_dir)