diff --git a/spa/include/spa/support/dbus.h b/spa/include/spa/support/dbus.h
index 648363868..23b5314b8 100644
--- a/spa/include/spa/support/dbus.h
+++ b/spa/include/spa/support/dbus.h
@@ -109,8 +109,14 @@ struct spa_dbus_connection {
 	_res;								\
 })
 
+/** \copydoc spa_dbus_connection.get
+ * \sa spa_dbus_connection.get */
 #define spa_dbus_connection_get(c)		spa_dbus_connection_call_vp(c,get,0)
+/** \copydoc spa_dbus_connection.destroy
+ * \sa spa_dbus_connection.destroy */
 #define spa_dbus_connection_destroy(c)		spa_dbus_connection_call(c,destroy,0)
+/** \copydoc spa_dbus_connection.add_listener
+ * \sa spa_dbus_connection.add_listener */
 #define spa_dbus_connection_add_listener(c,...)	spa_dbus_connection_call(c,add_listener,1,__VA_ARGS__)
 
 struct spa_dbus_methods {
@@ -133,6 +139,9 @@ struct spa_dbus_methods {
 							enum spa_dbus_type type);
 };
 
+/** \copydoc spa_dbus_methods.get_connection
+ * \sa spa_dbus_methods.get_connection
+ */
 static inline struct spa_dbus_connection *
 spa_dbus_get_connection(struct spa_dbus *dbus, enum spa_dbus_type type)
 {
diff --git a/spa/include/spa/support/thread.h b/spa/include/spa/support/thread.h
index 94e8984e9..560685171 100644
--- a/spa/include/spa/support/thread.h
+++ b/spa/include/spa/support/thread.h
@@ -70,6 +70,8 @@ struct spa_thread_utils_methods {
 	int (*drop_rt) (void *data, struct spa_thread *thread);
 };
 
+/** \copydoc spa_thread_utils_methods.create
+ * \sa spa_thread_utils_methods.create */
 static inline struct spa_thread *spa_thread_utils_create(struct spa_thread_utils *o,
 		const struct spa_dict *props, void *(*start_routine)(void*), void *arg)
 {
@@ -80,6 +82,8 @@ static inline struct spa_thread *spa_thread_utils_create(struct spa_thread_utils
 	return res;
 }
 
+/** \copydoc spa_thread_utils_methods.join
+ * \sa spa_thread_utils_methods.join */
 static inline int spa_thread_utils_join(struct spa_thread_utils *o,
 		struct spa_thread *thread, void **retval)
 {
@@ -90,6 +94,8 @@ static inline int spa_thread_utils_join(struct spa_thread_utils *o,
 	return res;
 }
 
+/** \copydoc spa_thread_utils_methods.get_rt_range
+ * \sa spa_thread_utils_methods.get_rt_range */
 static inline int spa_thread_utils_get_rt_range(struct spa_thread_utils *o,
 		const struct spa_dict *props, int *min, int *max)
 {
@@ -100,6 +106,8 @@ static inline int spa_thread_utils_get_rt_range(struct spa_thread_utils *o,
 	return res;
 }
 
+/** \copydoc spa_thread_utils_methods.acquire_rt
+ * \sa spa_thread_utils_methods.acquire_rt */
 static inline int spa_thread_utils_acquire_rt(struct spa_thread_utils *o,
 		struct spa_thread *thread, int priority)
 {
@@ -110,6 +118,8 @@ static inline int spa_thread_utils_acquire_rt(struct spa_thread_utils *o,
 	return res;
 }
 
+/** \copydoc spa_thread_utils_methods.drop_rt
+ * \sa spa_thread_utils_methods.drop_rt */
 static inline int spa_thread_utils_drop_rt(struct spa_thread_utils *o,
 		struct spa_thread *thread)
 {