Update service-tokens.mdx

Header name and value needs to be delimited by : instead of a =

Author: i2shar

src/content/docs/cloudflare-one/identity/service-tokens.mdx

@@ -46,7 +46,7 @@ curl -H "cookie: CF_Authorization=<CF_AUTHORIZATION_COOKIE>" https://app.example
 If you prefer to use a raw header, send the value as `cf-access-token`:
 
 ```sh
-curl -H "cf-access-token=<CF_AUTHORIZATION_COOKIE>" https://app.example.com
+curl -H "cf-access-token:<CF_AUTHORIZATION_COOKIE>" https://app.example.com
 ```
 
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