diff --git a/tonic-health/src/server.rs b/tonic-health/src/server.rs
index a094bf619..53e4ef9e2 100644
--- a/tonic-health/src/server.rs
+++ b/tonic-health/src/server.rs
@@ -103,7 +103,9 @@ impl HealthReporter {
     }
 }
 
-struct HealthService {
+/// A service providing implementations of gRPC health checking protocol.
+#[derive(Debug)]
+pub struct HealthService {
     statuses: Arc<RwLock<HashMap<String, StatusPair>>>,
 }