fix signature typo

Signed-off-by: N晴天 <ellawang@btcmod.com>

en/application-dev/quick-start/start-with-ets-stage.md

@@ -285,7 +285,7 @@ You can implement page redirection through the page router, which finds the targ
 
 1. Connect the development board running the OpenHarmony standard system to the computer.
 
-2. Choose **File** > **Project Structure...** > **Project** > **SigningConfigs**, and select **Automatically generate signaure**. Wait until the automatic signing is complete, and click **OK**. See the following figure.
+2. Choose **File** > **Project Structure...** > **Project** > **SigningConfigs**, and select **Automatically generate signature**. Wait until the automatic signing is complete, and click **OK**. See the following figure.
 
    ![06](figures/06.png)
 

zh-cn/application-dev/quick-start/start-with-ets-stage.md

@@ -279,7 +279,7 @@
 
 1. 将搭载OpenHarmony标准系统的开发板与电脑连接。
 
-2. 点击**File**> **Project Structure...** > **Project**>**SigningConfigs**界面勾选“**Automatically generate signaure**”，等待自动签名完成即可，点击“**OK**”。如下图所示：
+2. 点击**File**> **Project Structure...** > **Project**>**SigningConfigs**界面勾选“**Automatically generate signature**”，等待自动签名完成即可，点击“**OK**”。如下图所示：
 
    ![06](figures/06.png)