diff --git a/rp2040-hal/src/xosc.rs b/rp2040-hal/src/xosc.rs
index a499488..6f67b1e 100644
--- a/rp2040-hal/src/xosc.rs
+++ b/rp2040-hal/src/xosc.rs
@@ -175,6 +175,8 @@ impl CrystalOscillator<Stable> {
     }
 
     /// Put the XOSC in DORMANT state.
+    ///
+    /// # Safety
     /// This method is marked unsafe because prior to switch the XOSC into DORMANT state,
     /// PLLs must be stopped and IRQs have to be properly configured.
     /// This method does not do any of that, it merely switches the XOSC to DORMANT state.