Update README.md

Author: petehayes102

agent/README.md

@@ -2,7 +2,7 @@
 
 Intecture Agent is a tiny daemon that exposes Intecture's API as a service. To consume this service, use the `host::remote::Plain` type from [core](../core/).
 
-### Usage
+## Usage
 
 To run the agent, simply execute the `intecture_agent` binary, remembering to pass it a socket address to listen on.
 
@@ -14,7 +14,7 @@ intecture_agent --address localhost:7101
 
 More likely though you'll want to listen on your public interface so that Intecture can talk to the host remotely. In this case you should specify the host's IP address manually, or use `0.0.0.0` to listen on all interfaces.
 
-### Config file
+## Config file
 
 You can also store agent parameters in a configuration file. The file must be in TOML format, and can live anywhere on your server. It should look like this: