diff --git a/src/midi.rs b/src/midi.rs
index 01835bd7..15279d2b 100644
--- a/src/midi.rs
+++ b/src/midi.rs
@@ -18,16 +18,17 @@ pub use midi_consts::channel_event::control_change;
 /// <https://github.com/rust-lang/rust/issues/26925>
 pub type PluginNoteEvent<P> = NoteEvent<<P as Plugin>::SysExMessage>;
 
-/// Determines which note events a plugin receives.
+/// Determines which note events a plugin can send and receive.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
 pub enum MidiConfig {
-    /// The plugin will not have a note input port and will thus not receive any not events.
+    /// The plugin will not have a note input or output port and will thus not receive any not
+    /// events.
     None,
     /// The plugin receives note on/off/choke events, pressure, and potentially a couple
     /// standardized expression types depending on the plugin standard and host. If the plugin sets
     /// up configuration for polyphonic modulation (see [`ClapPlugin`][crate::prelude::ClapPlugin])
     /// and assigns polyphonic modulation IDs to some of its parameters, then it will also receive
-    /// polyphonic modulation events.
+    /// polyphonic modulation events. This level is also needed to be able to send SysEx events.
     Basic,
     /// The plugin receives full MIDI CCs as well as pitch bend information. For VST3 plugins this
     /// involves adding 130*16 parameters to bind to the the 128 MIDI CCs, pitch bend, and channel
diff --git a/src/plugin.rs b/src/plugin.rs
index a7132391..b8093b70 100644
--- a/src/plugin.rs
+++ b/src/plugin.rs
@@ -120,7 +120,9 @@ pub trait Plugin: Default + Send + 'static {
     /// The plugin's SysEx message type if it supports sending or receiving MIDI SysEx messages, or
     /// `()` if it does not. This type can be a struct or enum wrapping around one or more message
     /// types, and the [`SysExMessage`] trait is then used to convert between this type and basic
-    /// byte buffers.
+    /// byte buffers. The [`MIDI_INPUT`][Self::MIDI_INPUT] and [`MIDI_OUTPUT`][Self::MIDI_OUTPUT]
+    /// fields need to be set to [`MidiConfig::Basic`] or above to be able to send and receive
+    /// SysEx.
     type SysExMessage: SysExMessage;
 
     /// A type encoding the different background tasks this plugin wants to run, or `()` if it