diff --git a/src/shims/time.rs b/src/shims/time.rs
index c22ac9ca1a5..a87db987820 100644
--- a/src/shims/time.rs
+++ b/src/shims/time.rs
@@ -169,9 +169,8 @@ fn mach_timebase_info(&mut self, info_op: OpTy<'tcx, Tag>) -> InterpResult<'tcx,
 
         let info = this.deref_operand(info_op)?;
 
-        // Since we return nanoseconds instead of ticks from
-        // `mach_absolute_time`, we don't need to scale the absolute
-        // time.
+        // Since our emulated ticks in `mach_absolute_time` *are* nanoseconds,
+        // no scaling needs to happen.
         let (numer, denom) = (1,1);
         let imms = [
             immty_from_int_checked(numer, this.machine.layouts.u32)?,