Update doc (13092)

Signed-off-by: Nester.zhou <ester.zhou@huawei.com>

en/application-dev/quick-start/arkts-state-mgmt-page-level.md

@@ -97,7 +97,7 @@ The **@Prop** decorated state variable has the following features:
 
 **Example**
 
-In the preceding example, when the user presses **+1** or **-1**, the status of the parent component changes and the **build** method is executed again. In this case, a new **CountDownComponent** instance is created. The **countDownStartValue** attribute of the parent component is used to initialize the **@Prop** decorated variable of the child component. When the **count - costOfOneAttempt** button of the child component is touched, the value of the **@Prop** decorated variable **count** is changed. As a result, the **CountDownComponent** is rendered again. However, the change of the **count** value does not affect the **countDownStartValue** value of the parent component.
+In the following example, when the user presses **+1** or **-1**, the status of the parent component changes and the **build** method is executed again. In this case, a new **CountDownComponent** instance is created. The **countDownStartValue** attribute of the parent component is used to initialize the **@Prop** decorated variable of the child component. When the **count - costOfOneAttempt** button of the child component is touched, the value of the **@Prop** decorated variable **count** is changed. As a result, the **CountDownComponent** is rendered again. However, the change of the **count** value does not affect the **countDownStartValue** value of the parent component.
 
 ```ts
 // xxx.ets

en/application-dev/reference/apis/js-apis-router.md

@@ -804,7 +804,7 @@ router.replace({
 });
 ```
 
-  ## router.replace<sup>(deprecated)</sup>
+## router.replace<sup>(deprecated)</sup>
 
 replace(options: RouterOptions, mode: RouterMode): void