diff --git a/src/dtb/mod.rs b/src/dtb/mod.rs
index b71b819b73..464953ed64 100644
--- a/src/dtb/mod.rs
+++ b/src/dtb/mod.rs
@@ -22,7 +22,7 @@ pub static DTB_BINARY: Once<&'static [u8]> = Once::new();
 ///
 /// Caller must ensure the base address and size reference valid memory.
 ///
-/// The referenced memory must contain a valid DTB for the underliying system.
+/// The referenced memory must contain a valid DTB for the underlying system.
 ///
 /// The referenced memory must **not** be mutated for the duration of kernel run-time.
 pub unsafe fn init(dtb: Option<(usize, usize)>) {