Update https.md

https.md

@@ -31,7 +31,7 @@ HTTPS encrypts all the data that gets transferred between the browser and the se
 
 There is still one problem with the above process, that is, any [man in the middle](https://en.wikipedia.org/wiki/Man-in-the-middle_attack) can also generate a certificate and pretend to be the origin server and send malicious content to the browser. 
 
-To solve that problem browser like Chrome, Firefox, Safari etc. come embedded with information to find out which certificates are genuine. Browsers look for signature in the certificate, the signature on the certificate needs to be from one of the certified certificate authorities. If there is no such signature in the certificate then the browser will display a warning to the user that this connection is not really HTTPS. The server on the other hand need to get the signed certificate from one of the certificate authority by physically verifying their identity(by sending docs etc.).
+To solve that problem browser like Chrome, Firefox, Safari etc. come embedded with information to find out which certificates are genuine. Browsers look for signature in the certificate, the signature on the certificate needs to be from one of the trusted [certificate authorities](https://en.wikipedia.org/wiki/Certificate_authority). If there is no such signature in the certificate then the browser will display a warning to the user that this connection is not really HTTPS. The server on the other hand need to get the signed certificate from one of the certificate authority by physically verifying their identity(by sending docs etc.).
 
 ### How to get HTTPS for my website?
 #### There are two ways to get HTTPS to your website