docs: improve docs a little

src/modules/module-protocol-pulse.c

@@ -214,14 +214,16 @@
  * VMs usually can't support the low latency settings that are possible on real
  * hardware.
  *
- * ## Application settings (Rules)
+ * ## Stream settings and rules
- *
- * The pulse protocol module supports generic config rules. It provides a `quirks`
- * and an `update-props` action.
  *
  * Streams created by module-protocol-pulse will use the stream.properties
  * section and stream.rules sections as usual.
  *
+ * ## Application settings (Rules)
+ *
+ * The pulse protocol module supports generic config rules. It supports a pulse.rules
+ * section with a `quirks` and an `update-props` action.
+ *
  *\code{.unparsed}
  * pulse.rules = [
  *     {

src/pipewire/stream.h

@@ -161,6 +161,15 @@ extern "C" {
  * \section sec_stream_disconnect Disconnect
  *
  * Use \ref pw_stream_disconnect() to disconnect a stream after use.
+ *
+ * \section sec_stream_configuration Configuration
+ *
+ * \subsection ssec_config_properties Stream Properties
+ *
+ * \subsection ssec_config_rules Stream Rules
+ *
+ * \section sec_stream_environment Environment Variables
+ *
  */
 /** \defgroup pw_stream Stream
  *