update docs

Signed-off-by: N shawn_he <shawn.he@huawei.com>

update docs
Signed-off-by: N shawn_he <shawn.he@huawei.com>
cf782261 · shawn_he · 953e6510 · cf782261
隐藏空白更改
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Showing with 2 addition and 2 deletion

en/application-dev/device/usb-guidelines.md en/application-dev/device/usb-guidelines.md +2 -2

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--- a/en/application-dev/device/usb-guidelines.md
+++ b/en/application-dev/device/usb-guidelines.md
@@ -170,9 +170,9 @@ You can set a USB device as a host to connect to a device for data transfer. The
    var pipe = usb.connectDevice(deviceList[0]);
    /*
    Claim the corresponding interface from deviceList.
-    interface must be one present in the device configuration.
+    interface1 must be one present in the device configuration.
    */
-    usb.claimInterface(pipe , interface, true); 
+    usb.claimInterface(pipe , interface1, true);
    ```

 4.  Perform data transfer.