diff --git a/src/pwm.rs b/src/pwm.rs
index ee984b15..19d169a8 100644
--- a/src/pwm.rs
+++ b/src/pwm.rs
@@ -173,7 +173,7 @@ impl<const CHANNELS: usize> PWMDevice<CHANNELS> {
 
     /// Sets the duty-cycle for the given channel
     ///
-    /// value: `0: 0%, u16::MAX: 100%` duty_cycle
+    /// value: `0: 0%, resolution: 100%` duty_cycle
     fn set(&mut self, channel: PWMChannel, value: u16) {
         unsafe {
             riot_sys::pwm_set(self.dev, channel.channel, value);