refactor(docs): fix links

Signed-off-by: Philip Molares <philip.molares@udo.edu>

docs/content/faq.md

@@ -47,17 +47,17 @@ If you still want to allow embedding via iframe, ensure that:
 - `cookiePolicy` / `CMD_COOKIE_POLICY` is set to `none` (Otherwise you will get a `AUTH failed: No cookie transmitted` error.)
 - `csp.allowFraming` / `CMD_CSP_ALLOW_FRAMING` is set to `true`
 
-See also the [configuration docs](/configuration/#web-security-aspects) for more information about these options.
+See also the [configuration docs](configuration.md#web-security-aspects) for more information about these options.
 
 ## I can't upload images or the upload gets stuck
 This problem is typically accompanied by the error `Invalid URL: /uploads/` in the log and is often caused by a missing
 `domain` / `CMD_DOMAIN` config option or an incorrect reverse proxy config.  
-Have a look at our [reverse proxy documentation](https://docs.hedgedoc.org/guides/reverse-proxy/)
+Have a look at our [reverse proxy documentation](guides/reverse-proxy.md)
 and make sure that `protocolUseSSL` / `CMD_PROTOCOL_USESSL` is set to `true` if you serve HedgeDoc via HTTPS.
 
 ## HedgeDoc fails executing migrations and does not start
 Unfortunately, older versions of HedgeDoc had some bugs regarding migrations and didn't always record that a migration was executed.  
-Have a look at the *[Troubleshooting Migrations](/guides/migration-troubleshooting/)* guide for more information.
+Have a look at the *[Troubleshooting Migrations](guides/migration-troubleshooting.md)* guide for more information.
 
 ## Why does my interface look weird?
 
@@ -76,4 +76,4 @@ You should check the following settings (or their corresponding environment vari
 - `protocolUseSSL` (env: `CMD_PROTOCOL_USESSL`)
 - `urlAddPort` (env: `CMD_URL_ADDPORT`)
 
-Check [the reverse proxy guide](../guides/reverse-proxy/#configure-asset-link-generation) for an explanation.
+Check [the reverse proxy guide](guides/reverse-proxy.md#configure-asset-link-generation) for an explanation.