fix typo in word Railway (#425)

src/docs/reference/public-networking.md

@@ -17,7 +17,7 @@ If you have your own Domain already, Railway also supports adding custom domains
 | Category | Key Information |
 |----------|-----------------|
 | **DNS/Domain Names** | - Support for domains, subdomains, and wildcard domains.<br /> - Subdomains and wildcards cannot overlap (`foo.hello.com` cannot exist with `*.hello.com` unless owned by the same service).<br /> - Root domains need a DNS provider with ALIAS records or CNAME flattening.<br /> - Unicode domains should be PUNYcode encoded.<br /> - Non-public/internal domain names are not supported. |
-| **Certificate Issuance** | - Raiway attempts to issue a certificate for **up to 72 hours** after domain creation before failing.<br /> - Certificates are expected to be issued within an hour. |
+| **Certificate Issuance** | - Railway attempts to issue a certificate for **up to 72 hours** after domain creation before failing.<br /> - Certificates are expected to be issued within an hour. |
 | **TLS** | - Support for TLS 1.2 and TLS 1.3 with specific ciphersets.<br /> - Certificates are valid for 90 days and renewed every 30 days.<br /> - Cloudflare Proxying does impact certificate issuance and support for wildcard domains. |
 | **Edge Traffic** | - Support for HTTP/1.1 and HTTP/2.<br /> - Support for websockets over HTTP/1.1 (may be interrupted after 2-4hrs, clients should handle reconnect). <br /> - Idle timeout of 900 seconds.<br /> - Max 100 request headers.<br /> - Max 100 concurrent streams per HTTP2 connection.<br /> - Max duration of 5 minutes for HTTP requests. |
 | **Request Headers** | - `X-Forwarded-For` for identifying client's remote IP.<br /> - `X-Forwarded-Proto` always indicates HTTPS.<br /> - `X-Request-Id` for correlating requests against network logs. |
@@ -58,4 +58,4 @@ To have traffic from the public internet properly forwarded to your service's ex
 - If you do not explicitly define the `PORT`, Railway provides one for you and exposes it during deployment.
 
 More on this in the [Public Networking guide](/guides/public-networking).
-</Collapse>
+</Collapse>