diff --git a/crates/config/src/sections/secrets.rs b/crates/config/src/sections/secrets.rs
index 10df52e02..6edcfde69 100644
--- a/crates/config/src/sections/secrets.rs
+++ b/crates/config/src/sections/secrets.rs
@@ -27,6 +27,7 @@ fn example_secret() -> &'static str {
     "0000111122223333444455556666777788889999aaaabbbbccccddddeeeeffff"
 }
 
+/// A single key with its key ID and optional password.
 #[derive(JsonSchema, Serialize, Deserialize, Clone, Debug)]
 pub struct KeyConfig {
     kid: String,
diff --git a/docs/config.schema.json b/docs/config.schema.json
index 3bc0f407d..a58957af0 100644
--- a/docs/config.schema.json
+++ b/docs/config.schema.json
@@ -1538,6 +1538,7 @@
       }
     },
     "KeyConfig": {
+      "description": "A single key with its key ID and optional password.",
       "type": "object",
       "required": [
         "kid"