diff --git a/src/runtime/src/rtio_clocking.rs b/src/runtime/src/rtio_clocking.rs
index ff72b45..fc906c1 100644
--- a/src/runtime/src/rtio_clocking.rs
+++ b/src/runtime/src/rtio_clocking.rs
@@ -380,7 +380,7 @@ fn get_si549_setting(clk: RtioClock) -> si549::FrequencySetting {
                     fbdiv: 0x046C5F49797,
                 },
                 helper: si549::DividerConfig {
-                    // 100Mhz*32767/32768
+                    // 100MHz*32767/32768
                     hsdiv: 0x06C,
                     lsdiv: 0,
                     fbdiv: 0x046C5670BBD,
@@ -388,7 +388,7 @@ fn get_si549_setting(clk: RtioClock) -> si549::FrequencySetting {
             }
         }
         _ => {
-            // Everything else use 125Mhz
+            // Everything else use 125MHz
             si549::FrequencySetting {
                 main: si549::DividerConfig {
                     hsdiv: 0x058,
@@ -396,7 +396,7 @@ fn get_si549_setting(clk: RtioClock) -> si549::FrequencySetting {
                     fbdiv: 0x04815791F25,
                 },
                 helper: si549::DividerConfig {
-                    // 125Mhz*32767/32768
+                    // 125MHz*32767/32768
                     hsdiv: 0x058,
                     lsdiv: 0,
                     fbdiv: 0x04814E8F442,