diff --git a/src/bin/lockin.rs b/src/bin/lockin.rs
index cbdda51..1519853 100644
--- a/src/bin/lockin.rs
+++ b/src/bin/lockin.rs
@@ -129,7 +129,7 @@ const APP: () = {
         let phase_offset: i32 = 0;
         let sample_frequency = ((pll_frequency >> SAMPLE_BUFFER_SIZE_LOG2)
             as i32)
-            .wrapping_mul(harmonic);  // TODO: maybe rounding bias
+            .wrapping_mul(harmonic); // TODO: maybe rounding bias
         let mut sample_phase =
             phase_offset.wrapping_add(pll_phase.wrapping_mul(harmonic));