Update failed-to-load-resource.md

Author: ztyyLV

faq/failed-to-load-resource.md

@@ -36,7 +36,7 @@ Note: the new certificate from Dynamsoft will expire on December 8th, 2023. This
 - 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:
     ```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 () {