Changed HOST to POST

Changed the Host header value to fit into the HTTP Post sample so it matches with the other samples and with how these links are always presented in our documentation. It was highly confusing as it was written now.

Author: KoenZomers

articles/active-directory-b2c/active-directory-b2c-reference-oauth-code.md

@@ -98,8 +98,8 @@ Now that you've acquired an authorization code, you can redeem the `code` for a
 You can also request an access token for your app's own back-end Web API by convention of using the app's client ID as the requested scope (which will result in an access token with that client ID as the "audience"):
 
 ```HTTP
-POST {tenant}.onmicrosoft.com/{policy}/oauth2/v2.0/token HTTP/1.1
-Host: {tenant}.b2clogin.com
+POST https://{tenant}.b2clogin.com/{tenant}.onmicrosoft.com/{policy}/oauth2/v2.0/token HTTP/1.1
+
 Content-Type: application/x-www-form-urlencoded
 
 grant_type=authorization_code&client_id=90c0fe63-bcf2-44d5-8fb7-b8bbc0b29dc6&scope=90c0fe63-bcf2-44d5-8fb7-b8bbc0b29dc6 offline_access&code=AwABAAAAvPM1KaPlrEqdFSBzjqfTGBCmLdgfSTLEMPGYuNHSUYBrq...&redirect_uri=urn:ietf:wg:oauth:2.0:oob
@@ -165,8 +165,8 @@ Authorization: Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6Ik5HVEZ2ZEstZn
 Access tokens and ID tokens are short-lived. After they expire, you must refresh them to continue to access resources. To do this, submit another POST request to the `/token` endpoint. This time, provide the `refresh_token` instead of the `code`:
 
 ```HTTP
-POST {tenant}.onmicrosoft.com/{policy}/oauth2/v2.0/token HTTP/1.1
-Host: {tenant}.b2clogin.com
+POST https://{tenant}.b2clogin.com/{tenant}.onmicrosoft.com/{policy}/oauth2/v2.0/token HTTP/1.1
+
 Content-Type: application/x-www-form-urlencoded
 
 grant_type=refresh_token&client_id=90c0fe63-bcf2-44d5-8fb7-b8bbc0b29dc6&scope=90c0fe63-bcf2-44d5-8fb7-b8bbc0b29dc6 offline_access&refresh_token=AwABAAAAvPM1KaPlrEqdFSBzjqfTGBCmLdgfSTLEMPGYuNHSUYBrq...&redirect_uri=urn:ietf:wg:oauth:2.0:oob