diff --git a/embassy-stm32/src/adc/c0.rs b/embassy-stm32/src/adc/c0.rs
index a9f0da07e..936ad7413 100644
--- a/embassy-stm32/src/adc/c0.rs
+++ b/embassy-stm32/src/adc/c0.rs
@@ -163,7 +163,7 @@ impl<'d, T: Instance> Adc<'d, T> {
         T::common_regs().ccr().modify(|w| w.set_presc(prescaler.presc()));
 
         let frequency = Hertz(T::frequency().0 / prescaler.divisor());
-        debug!("ADC frequency set to {} Hz", frequency);
+        debug!("ADC frequency set to {}", frequency);
 
         if frequency > MAX_ADC_CLK_FREQ {
             panic!("Maximal allowed frequency for the ADC is {} MHz and it varies with different packages, refer to ST docs for more information.", MAX_ADC_CLK_FREQ.0 /  1_000_000 );
diff --git a/embassy-stm32/src/adc/g4.rs b/embassy-stm32/src/adc/g4.rs
index 8d13c85be..91be53607 100644
--- a/embassy-stm32/src/adc/g4.rs
+++ b/embassy-stm32/src/adc/g4.rs
@@ -143,7 +143,7 @@ impl<'d, T: Instance> Adc<'d, T> {
         T::common_regs().ccr().modify(|w| w.set_presc(prescaler.presc()));
 
         let frequency = Hertz(T::frequency().0 / prescaler.divisor());
-        info!("ADC frequency set to {} Hz", frequency);
+        info!("ADC frequency set to {}", frequency);
 
         if frequency > MAX_ADC_CLK_FREQ {
             panic!("Maximal allowed frequency for the ADC is {} MHz and it varies with different packages, refer to ST docs for more information.", MAX_ADC_CLK_FREQ.0 /  1_000_000 );
diff --git a/embassy-stm32/src/adc/u5_adc4.rs b/embassy-stm32/src/adc/u5_adc4.rs
index eee500ef5..1dd664366 100644
--- a/embassy-stm32/src/adc/u5_adc4.rs
+++ b/embassy-stm32/src/adc/u5_adc4.rs
@@ -193,7 +193,7 @@ impl<'d, T: Instance> Adc4<'d, T> {
         T::regs().ccr().modify(|w| w.set_presc(prescaler.presc()));
 
         let frequency = Hertz(T::frequency().0 / prescaler.divisor());
-        info!("ADC4 frequency set to {} Hz", frequency);
+        info!("ADC4 frequency set to {}", frequency);
 
         if frequency > MAX_ADC_CLK_FREQ {
             panic!("Maximal allowed frequency for ADC4 is {} MHz and it varies with different packages, refer to ST docs for more information.", MAX_ADC_CLK_FREQ.0 /  1_000_000 );
diff --git a/embassy-stm32/src/adc/v4.rs b/embassy-stm32/src/adc/v4.rs
index 9bc8c9712..4d2e0f0df 100644
--- a/embassy-stm32/src/adc/v4.rs
+++ b/embassy-stm32/src/adc/v4.rs
@@ -166,7 +166,7 @@ impl<'d, T: Instance> Adc<'d, T> {
         T::common_regs().ccr().modify(|w| w.set_presc(prescaler.presc()));
 
         let frequency = Hertz(T::frequency().0 / prescaler.divisor());
-        info!("ADC frequency set to {} Hz", frequency);
+        info!("ADC frequency set to {}", frequency);
 
         if frequency > MAX_ADC_CLK_FREQ {
             panic!("Maximal allowed frequency for the ADC is {} MHz and it varies with different packages, refer to ST docs for more information.", MAX_ADC_CLK_FREQ.0 /  1_000_000 );
diff --git a/embassy-stm32/src/rcc/h.rs b/embassy-stm32/src/rcc/h.rs
index 39af84ad3..33d698861 100644
--- a/embassy-stm32/src/rcc/h.rs
+++ b/embassy-stm32/src/rcc/h.rs
@@ -575,7 +575,7 @@ pub(crate) unsafe fn init(config: Config) {
             Hertz(24_000_000) => Usbrefcksel::MHZ24,
             Hertz(26_000_000) => Usbrefcksel::MHZ26,
             Hertz(32_000_000) => Usbrefcksel::MHZ32,
-            _ => panic!("cannot select USBPHYC reference clock with source frequency of {} Hz, must be one of 16, 19.2, 20, 24, 26, 32 MHz", clk_val),
+            _ => panic!("cannot select USBPHYC reference clock with source frequency of {}, must be one of 16, 19.2, 20, 24, 26, 32 MHz", clk_val),
         },
         None => Usbrefcksel::MHZ24,
     };
@@ -792,7 +792,7 @@ fn init_pll(num: usize, config: Option<Pll>, input: &PllInput) -> PllOutput {
     } else if wide_allowed && VCO_WIDE_RANGE.contains(&vco_clk) {
         Pllvcosel::WIDE_VCO
     } else {
-        panic!("pll vco_clk out of range: {} hz", vco_clk)
+        panic!("pll vco_clk out of range: {}", vco_clk)
     };
 
     let p = config.divp.map(|div| {
diff --git a/embassy-stm32/src/rcc/u5.rs b/embassy-stm32/src/rcc/u5.rs
index dc77dc540..d15eb53f8 100644
--- a/embassy-stm32/src/rcc/u5.rs
+++ b/embassy-stm32/src/rcc/u5.rs
@@ -315,7 +315,7 @@ pub(crate) unsafe fn init(config: Config) {
             Hertz(24_000_000) => Usbrefcksel::MHZ24,
             Hertz(26_000_000) => Usbrefcksel::MHZ26,
             Hertz(32_000_000) => Usbrefcksel::MHZ32,
-            _ => panic!("cannot select OTG_HS reference clock with source frequency of {} Hz, must be one of 16, 19.2, 20, 24, 26, 32 MHz", clk_val),
+            _ => panic!("cannot select OTG_HS reference clock with source frequency of {}, must be one of 16, 19.2, 20, 24, 26, 32 MHz", clk_val),
         },
         None => Usbrefcksel::MHZ24,
     };