diff --git a/src/gpio.rs b/src/gpio.rs
index 4dfb2c4..2034331 100644
--- a/src/gpio.rs
+++ b/src/gpio.rs
@@ -348,7 +348,7 @@ pub struct Event {
     pub timestamp: Duration,
     /// Sequence number for this event in the sequence of interrupt trigger events for this pin.
     pub seqno: u32,
-    /// Interrupt trigger.
+    /// Interrupt trigger. This will contain either [Trigger::RisingEdge] or [Trigger::FallingEdge].
     pub trigger: Trigger,
 }