zebrad: Add reference to config docs.

zebrad/src/commands/generate.rs

@@ -27,8 +27,9 @@ impl Runnable for GenerateCmd {
 # values may change, you should delete all entries except
 # for the ones you wish to change.
 #
-# Documentation on the meanings of each config option
-# can be found in Rustdoc. XXX add link to rendered docs.
+# Documentation on the meanings of each config field
+# can be found in Rustdoc here:
+# https://doc.zebra.zfnd.org/zebrad/config/struct.ZebradConfig.html
 
 "
         .to_owned(); // The default name and location of the config file is defined in ../commands.rs

zebrad/src/config.rs

@@ -10,7 +10,11 @@ use serde::{Deserialize, Serialize};
 
 use zebra_network::Config as NetworkSection;
 
-/// Zebrad Configuration
+/// Configuration for `zebrad`.
+///
+/// The `zebrad` config is a TOML-encoded version of this structure. The meaning
+/// of each field is described in the documentation, although it may be necessary
+/// to click through to the sub-structures for each section.
 #[derive(Clone, Default, Debug, Deserialize, Serialize)]
 #[serde(deny_unknown_fields)]
 #[serde(default)]