diff --git a/faq/failed-to-load-resource.md b/faq/failed-to-load-resource.md
index 2ae6a6ea..8d79823f 100644
--- a/faq/failed-to-load-resource.md
+++ b/faq/failed-to-load-resource.md
@@ -33,13 +33,14 @@ In this case, if you are trying to access an application that integrates a versi
 Note: the new certificate from Dynamsoft will expire on December 8th, 2023. This means you will need to update the certificate again after this certificate expires.
      - Method 3. <a href="{{site.about}}getsupport.html" target="_blank">Contact Dynamsoft</a> for a new MSI for client-side.
      
-- For v17.2 or higher versions, use the new API <a href="{{site.info}}api/Dynamsoft_WebTwainEnv.html#updatecert" target="_blank">UpdateCert</a> to automatically update the client side certificate before it expires. **Please go to dynamsoft.webtwain.install.js file and search the keyword "OnSSLCertInfo"**, add the following lines of code:
+- For v17.2 or higher versions, use the new API <a href="{{site.info}}api/Dynamsoft_WebTwainEnv.html#updatecert" target="_blank">UpdateCert</a> to automatically update the client side certificate before it expires. **Please go to dynamsoft.webtwain.install.js file in the Resource Folder and search the keyword "OnSSLCertInfo"**, add the following lines of code:
     ```javascript
     Dynamsoft.OnSSLCertInfo = function (sslExpiredDate) {
-        if ((sslExpiredDate - new Date()) / 86400000 < 15) {
+        if ((sslExpiredDate - new Date()) / 86400000 < 15) { // Automatically updates 15 days before expiration
             Dynamsoft.DWT.UpdateCert(
                 "https://demo.dynamsoft.com/DWT/Resources/dist/cert.zip",
                 function () {
+                    //Success callback
                 },
                 function (errorCode, errorString) {
                 console.log(errorString);