diff --git a/en/application-dev/reference/apis/js-apis-rpc.md b/en/application-dev/reference/apis/js-apis-rpc.md
index 95b60009b09bd8dee7e3a687027d94c070e1b864..fe414f5d9f4b180cc36d1dbb3c36889924d3840c 100644
--- a/en/application-dev/reference/apis/js-apis-rpc.md
+++ b/en/application-dev/reference/apis/js-apis-rpc.md
@@ -1,5 +1,6 @@
 # RPC
 
+This module implements communication between processes, including inter-process communication (IPC) on a single device and Remote Procedure Call (RPC) between processes of difference devices. IPC is implemented based on the Binder driver, and RPC is based on the software bus driver.
 
 > **NOTE**<br>
 > The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
@@ -2397,7 +2398,7 @@ Unmarshals this sequenceable object from a **MessageParcel** object.
 
 ## IRemoteBroker
 
-Obtains a remote proxy object.
+Provides the holder of a remote proxy object.
 
 
 ### asObject
@@ -2503,7 +2504,7 @@ Obtains the interface.
 ### sendRequest<sup>(deprecated)</sup>
 
 > **NOTE**<br/>
-> This API is deprecated since API Version 8. You are advised to use [sendRequest<sup>8+</sup> ](#sendrequest8).
+> This API is deprecated since API Version 8. You are advised to use [sendRequest<sup>8+</sup>](#sendrequest8).
 
 sendRequest(code : number, data : MessageParcel, reply : MessageParcel, options : MessageOption): boolean
 
@@ -2652,7 +2653,7 @@ Provides methods to implement **IRemoteObject**.
 ### sendRequest<sup>(deprecated)</sup>
 
 > **NOTE**<br/>
-> This API is deprecated since API Version 8. You are advised to use [sendRequest<sup>8+</sup> ](#sendrequest8-2).
+> This API is deprecated since API Version 8. You are advised to use [sendRequest<sup>8+</sup>](#sendrequest8-2).
 
 sendRequest(code : number, data : MessageParcel, reply : MessageParcel, options : MessageOption): boolean
 
@@ -3470,7 +3471,7 @@ A constructor used to create a **RemoteObject** object.
 ### sendRequest<sup>(deprecated)</sup>
 
 > **NOTE**<br/>
-> This API is deprecated since API Version 8. You are advised to use [sendRequest<sup>8+</sup> ](#sendrequest8-4).
+> This API is deprecated since API Version 8. You are advised to use [sendRequest<sup>8+</sup>](#sendrequest8-4).
 
 sendRequest(code : number, data : MessageParcel, reply : MessageParcel, options : MessageOption): boolean
 
diff --git a/en/application-dev/reference/apis/js-apis-system-cipher.md b/en/application-dev/reference/apis/js-apis-system-cipher.md
index c4f862b0e3cbf448631be452f826ac395a44435c..cd4100d455e6f47f6d2600562a4d0522c885284a 100644
--- a/en/application-dev/reference/apis/js-apis-system-cipher.md
+++ b/en/application-dev/reference/apis/js-apis-system-cipher.md
@@ -50,7 +50,7 @@ export default {
      '+Enz0RzmVFh/4yk6lmqRzuEFQqhQqSZzaLq6sq2N2G0Sv2Xl3sLvqAfe2HNm2oBw\n' +
      'jBpApTJ3TeneOo6Z5QIDAQAB',  
       success: function(data) {                
-        console.log(`handling successful:${data.text}`);          
+        console.log(`Handling successful:${data.text}`);          
       },            
       fail: function(data, code) {               
         console.log(`### Failed to encrypt cipher.rsa ### ${code}:${data}`); 
@@ -83,7 +83,7 @@ export default {
         'M9TORIgdH8MjIbWsGnndAkEAw9yURDaorE8IYPLF2IEn09g1uzvWPs3phDb6smVx\n' + 
         '8GfqIdUNf+aCG5TZK/kXBF1sqcsi7jXMAf4jBlejVbSVZg==',
          success: function(data) {                
-           console.log(`handling successful:${data.text}`);          
+           console.log(`Handling successful:${data.text}`);          
          },            
          fail: function(data, code) {               
            console.log(`### Failed to encrypt cipher.rsa ### ${code}:${data}`); 
@@ -130,13 +130,13 @@ export default {
       action: 'encrypt',            
       // Text to be encrypted.           
       text: 'hello',            
-      // Base64-encoded key used for encryption.           
+      // Base64-encoded key.           
       key: 'NDM5Qjk2UjAzMEE0NzVCRjlFMkQwQkVGOFc1NkM1QkQ=',            
       transformation: 'AES/CBC/PKCS5Padding',            
       ivOffset: '0',            
       ivLen: '16',            
       success: function(data) {                
-        console.log(`handling successful:${data.text}`);          
+        console.log(`Handling successful:${data.text}`);          
         },            
       fail: function(data, code) {               
         console.log(`### Failed to encrypt cipher.rsa ### ${code}:${data}`); 
@@ -150,13 +150,13 @@ export default {
       action: 'decrypt',            
       // Text to be decrypted, which is binary text encoded in Base64.           
       text: '1o0kf2HXwLxHkSh5W5NhzA==',            
-       // Base64-encoded key used for decryption.           
+       // Base64-encoded key.           
        key: 'NDM5Qjk2UjAzMEE0NzVCRjlFMkQwQkVGOFc1NkM1QkQ=',            
        transformation: 'AES/CBC/PKCS5Padding',            
        ivOffset: '0',            
        ivLen: '16',            
        success: function(data) {                
-         console.log(`handling success:${data.text}`);          
+         console.log(`Handling successful:${data.text}`);          
         },            
        fail: function(data, code) {               
          console.log(`### Failed to decrypt cipher.rsa ### ${code}:${data}`);