Fix --display-config after http/2 change (#2028)

* Fix --display-config after http/2 change
* Update advanced-usage.md

docs/advanced-usage.md

@@ -114,6 +114,13 @@ ExecStart=/usr/local/bin/onedrive --monitor --confdir="/home/myusername/.config/
 ```
 
 Then you can safely run these commands:
+#### Custom systemd service on Red Hat Enterprise Linux, CentOS Linux
+```text
+systemctl enable onedrive-my-new-config
+systemctl start onedrive-my-new-config
+```
+
+#### Custom systemd service on Arch, Ubuntu, Debian, OpenSuSE, Fedora
 ```text
 systemctl --user enable onedrive-my-new-config
 systemctl --user start onedrive-my-new-config
@@ -124,6 +131,11 @@ systemctl --user enable onedrive-my-new-config@myusername.service
 systemctl --user start onedrive-my-new-config@myusername.service
 ```
 
+#### Viewing systemd logs for the custom service
+```text
+journalctl --unit=onedrive-my-new-config -f
+```
+
 Repeat these steps for each OneDrive new account that you wish to use.
 
 ## Configuring the client to use multiple OneDrive accounts / configurations using Docker

src/main.d

@@ -679,7 +679,7 @@ int main(string[] args)
 		writeln("Config option 'azure_ad_endpoint'            = ", cfg.getValueString("azure_ad_endpoint"));
 		writeln("Config option 'azure_tenant_id'              = ", cfg.getValueString("azure_tenant_id"));
 		writeln("Config option 'user_agent'                   = ", cfg.getValueString("user_agent"));
-		writeln("Config option 'force_http_2'                 = ", cfg.getValueBool("force_http_2"));
+		writeln("Config option 'force_http_11'                = ", cfg.getValueBool("force_http_11"));
 		writeln("Config option 'debug_https'                  = ", cfg.getValueBool("debug_https"));
 		writeln("Config option 'rate_limit'                   = ", cfg.getValueLong("rate_limit"));
 		writeln("Config option 'operation_timeout'            = ", cfg.getValueLong("operation_timeout"));