diff --git a/public/ServiceDiscovery.h b/public/ServiceDiscovery.h
index 563712e..d627e52 100644
--- a/public/ServiceDiscovery.h
+++ b/public/ServiceDiscovery.h
@@ -36,9 +36,20 @@ public:
                               const UUID               &matchingServiceUUID = UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN),
                               const UUID               &matchingCharacteristicUUIDIn = UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN));
 
+    /**
+     * Terminate an ongoing service-discovery. This should result in an
+     * invocation of the TerminationCallback if service-discovery is active.
+     */
     static void        terminate(void);
 
+    /**
+     * Is service-discovery currently active?
+     */
     static bool        isActive(void);
+
+    /**
+     * Setup callback to be invoked when service discovery is terminated.
+     */
     static void        onTermination(TerminationCallback_t callback);
 
 protected: