diff --git a/src/fw/drivers/stm32f2/spi.c b/src/fw/drivers/stm32f2/spi.c
index 4469ceee..c6ad1703 100644
--- a/src/fw/drivers/stm32f2/spi.c
+++ b/src/fw/drivers/stm32f2/spi.c
@@ -291,7 +291,7 @@ static void prv_spi_slave_deinit(const SPISlavePort *slave) {
 //! The assertion and deassertion of the SCS line is automatic
 //
 
-static bool prv_is_bidrectional(const SPISlavePort *slave) {
+static bool prv_is_bidirectional(const SPISlavePort *slave) {
     bool is_bidirectional = (slave->spi_direction == SpiDirection_2LinesFullDuplex) ||
         (slave->spi_direction == SpiDirection_2LinesRxOnly);
 
@@ -304,7 +304,7 @@ void spi_slave_port_deinit(const SPISlavePort *slave) {
     return;
   }
   prv_spi_slave_deinit(slave);
-  prv_spi_bus_deinit(slave->spi_bus, prv_is_bidrectional(slave));
+  prv_spi_bus_deinit(slave->spi_bus, prv_is_bidirectional(slave));
   slave->slave_state->initialized = false;
 }
 
@@ -316,7 +316,7 @@ void spi_slave_port_init(const SPISlavePort *slave) {
   slave->slave_state->initialized = true;
   slave->slave_state->acquired = false;
   slave->slave_state->scs_selected = false;
-  prv_spi_bus_init(slave->spi_bus, prv_is_bidrectional(slave));
+  prv_spi_bus_init(slave->spi_bus, prv_is_bidirectional(slave));
 
   // SCS
   gpio_output_init(&slave->spi_scs, GPIO_OType_PP, slave->spi_bus->spi_sclk_speed);
diff --git a/src/fw/services/normal/settings/settings_file.h b/src/fw/services/normal/settings/settings_file.h
index 7d49ab66..6a57e0f6 100644
--- a/src/fw/services/normal/settings/settings_file.h
+++ b/src/fw/services/normal/settings/settings_file.h
@@ -32,7 +32,7 @@
 //! operations are atomic, so a reboot in the middle of changing the value for a
 //! key will always either complete, returning the new value upon reboot, or
 //! will just return the old value.
-//! It also supports bidirection syncronization between the phone & watch,
+//! It also supports bidirectional syncronization between the phone & watch,
 //! using timestamps to resolve conflicts.
 //! Note that although all operations are atomic, they are not thread-safe. If
 //! you will be accessing a SettingsFile from multiple threads, make sure you