diff --git a/boards/esp32-heltec-lora32-v2/include/periph_conf.h b/boards/esp32-heltec-lora32-v2/include/periph_conf.h
index 2be34ff88b..573ed3e698 100644
--- a/boards/esp32-heltec-lora32-v2/include/periph_conf.h
+++ b/boards/esp32-heltec-lora32-v2/include/periph_conf.h
@@ -75,7 +75,7 @@
  * Only I2C interface I2C_DEV(0) is used.
  *
  * @note The GPIOs listed in the configuration are only initialized as I2C
- * signals when module `perpih_i2c` is used. Otherwise they are not
+ * signals when module `periph_i2c` is used. Otherwise they are not
  * allocated and can be used for other purposes.
  *
  * @{
@@ -96,7 +96,7 @@
  * @name   PWM channel configuration
  *
  * @note As long as the according PWM device is not initialized with
- * the ```pwm_init```, the GPIOs declared for this device can be used
+ * the `pwm_init`, the GPIOs declared for this device can be used
  * for other purposes.
  *
  * @{
@@ -117,7 +117,7 @@
  *
  * @note The GPIOs listed in the configuration are first initialized as SPI
  * signals when the corresponding SPI interface is used for the first time
- * by either calling the ```spi_init_cs``` function or the ```spi_acquire```
+ * by either calling the `spi_init_cs` function or the `spi_acquire`
  * function. That is, they are not allocated as SPI signals before and can
  * be used for other purposes as long as the SPI interface is not used.
  *
diff --git a/boards/esp32-mh-et-live-minikit/include/board_modules.h b/boards/esp32-mh-et-live-minikit/include/board_modules.h
index 1d504a9b19..51cbf008cf 100644
--- a/boards/esp32-mh-et-live-minikit/include/board_modules.h
+++ b/boards/esp32-mh-et-live-minikit/include/board_modules.h
@@ -34,7 +34,7 @@ extern "C" {
 /**
  * @name    MRF24J40 shield configuration
  *
- * Configuration for the MRF24J40 shield when module ```mrf24j40``` is used.
+ * Configuration for the MRF24J40 shield when module `mrf24j40` is used.
  *
  * MRF24J40 module uses SPI_DEV(0) and according pins on this board to be
  * compatible with the Wemos D1 mini MRF24J40 shield.
@@ -64,7 +64,7 @@ extern "C" {
 /**
  * @name    SD-Card shield configuration
  *
- * Configuration of the SD-Card interface when module ```sdcard_spi``` is used.
+ * Configuration of the SD-Card interface when module `sdcard_spi` is used.
  *
  * SD card interface uses SPI_DEV(0) on this board to be compatible with the
  * Wemos D1 mini micro SD card shield. The D8 pin (GPIO5) is used as default
diff --git a/boards/esp32-mh-et-live-minikit/include/periph_conf.h b/boards/esp32-mh-et-live-minikit/include/periph_conf.h
index fb43218843..29363f538a 100644
--- a/boards/esp32-mh-et-live-minikit/include/periph_conf.h
+++ b/boards/esp32-mh-et-live-minikit/include/periph_conf.h
@@ -46,7 +46,7 @@
  * @brief   Declaration of GPIOs that can be used as ADC channels
  *
  * @note As long as the GPIOs listed in ADC_GPIOS are not initialized as ADC
- * channels with the ```adc_init``` function, they can be used for other
+ * channels with the `adc_init` function, they can be used for other
  * purposes.
  */
 #ifndef ADC_GPIOS
@@ -57,7 +57,7 @@
  * @brief   Declaration of GPIOs that can be used as DAC channels
  *
  * @note As long as the GPIOs listed in DAC_GPIOS are not initialized as DAC
- * channels with the ```dac_init``` function, they can be used for other
+ * channels with the `dac_init` function, they can be used for other
  * purposes.
  */
 #ifndef DAC_GPIOS
@@ -72,7 +72,7 @@
  * Only I2C interface I2C_DEV(0) is used.
  *
  * @note The GPIOs listed in the configuration are only initialized as I2C
- * signals when module ```perpih_i2c``` is used. Otherwise they are not
+ * signals when module `periph_i2c` is used. Otherwise they are not
  * allocated and can be used for other purposes.
  *
  * @{
@@ -93,7 +93,7 @@
  * @name   PWM channel configuration
  *
  * @note As long as the according PWM device is not initialized with
- * the ```pwm_init```, the GPIOs declared for this device can be used
+ * the `pwm_init`, the GPIOs declared for this device can be used
  * for other purposes.
  *
  * @{
@@ -114,7 +114,7 @@
  *
  * @note The GPIOs listed in the configuration are first initialized as SPI
  * signals when the corresponding SPI interface is used for the first time
- * by either calling the ```spi_init_cs``` function or the ```spi_acquire```
+ * by either calling the `spi_init_cs` function or the `spi_acquire`
  * function. That is, they are not allocated as SPI signals before and can
  * be used for other purposes as long as the SPI interface is not used.
  *
diff --git a/boards/esp32-olimex-evb/include/periph_conf.h b/boards/esp32-olimex-evb/include/periph_conf.h
index 11d5770429..a95d66934a 100644
--- a/boards/esp32-olimex-evb/include/periph_conf.h
+++ b/boards/esp32-olimex-evb/include/periph_conf.h
@@ -44,7 +44,7 @@ extern "C" {
  * @name    ADC and DAC channel configuration
  *
  * @note As long as the GPIOs listed in ADC_GPIOS are not initialized as ADC
- * channels with the ```adc_init``` function, they can be used for other
+ * channels with the `adc_init` function, they can be used for other
  *
  * purposes.
  * @{
@@ -53,7 +53,7 @@ extern "C" {
  * @brief   Declaration of GPIOs that can be used as ADC channels
  *
  * @note As long as the GPIOs listed in ADC_GPIOS are not initialized as ADC
- * channels with the ```adc_init``` function, they can be used for other
+ * channels with the `adc_init` function, they can be used for other
  * purposes.
  */
 #ifndef ADC_GPIOS
@@ -83,12 +83,12 @@ extern "C" {
 /**
  * @name    I2C configuration
  *
- * Olimex ESP32-EVB/GATEWAY have one I2C interface ```I2C_DEV(0)```. However,
+ * Olimex ESP32-EVB/GATEWAY have one I2C interface `I2C_DEV(0)`. However,
  * they use different GPIOs. Olimex ESP32-EVB, the interface is also available
  * at the [UEXT] connector.
  *
  * @note The GPIOs listed in the configuration are only initialized as I2C
- * signals when module ```perpih_i2c``` is used. Otherwise they are not
+ * signals when module `periph_i2c` is used. Otherwise they are not
  * allocated and can be used for other purposes.
  *
  * @{
@@ -119,14 +119,14 @@ extern "C" {
  * @name    PWM channel configuration
  *
  * @note As long as the according PWM device is not initialized with
- * the ```pwm_init```, the GPIOs declared for this device can be used
+ * the `pwm_init`, the GPIOs declared for this device can be used
  * for other purposes.
  *
  * @{
  */
 /**
  * In DOUT and DIO flash mode, GPIO9 and GIO10 are available and can be used
- * as PWM channels with ```PWM_DEV(0)```.
+ * as PWM channels with `PWM_DEV(0)`.
  */
 #ifndef PWM0_GPIOS
 #if FLASH_MODE_DOUT || FLASH_MODE_DIO || DOXYGEN
@@ -154,14 +154,14 @@ extern "C" {
  * It is available at the [UEXT] connector on Olimex ESP32-EVB.
  *
  * Although the SD card interface of the Olimex ESP32-EVB is also available at
- * the ```SPI_DEV(0)``` interface, it does not have a CS signal. Therefore,
- * it cannot be used in SPI mode with the ```sdcard_spi``` module. Olimex
+ * the `SPI_DEV(0)` interface, it does not have a CS signal. Therefore,
+ * it cannot be used in SPI mode with the `sdcard_spi` module. Olimex
  * ESP32-GATEWAY uses the integrated SD card interface with another GPIO for
  * the CS signal.
  *
  * @note The GPIOs listed in the configuration are first initialized as SPI
  * signals when the corresponding SPI interface is used for the first time
- * by either calling the ```spi_init_cs``` function or the ```spi_acquire```
+ * by either calling the `spi_init_cs` function or the `spi_acquire`
  * function. That is, they are not allocated as SPI signals before and can
  * be used for other purposes as long as the SPI interface is not used.
  */
diff --git a/boards/esp32-ttgo-t-beam/include/periph_conf.h b/boards/esp32-ttgo-t-beam/include/periph_conf.h
index e2ed0c1449..248e8bd014 100644
--- a/boards/esp32-ttgo-t-beam/include/periph_conf.h
+++ b/boards/esp32-ttgo-t-beam/include/periph_conf.h
@@ -80,7 +80,7 @@
  * Only I2C interface I2C_DEV(0) is used.
  *
  * @note The GPIOs listed in the configuration are only initialized as I2C
- * signals when module `perpih_i2c` is used. Otherwise they are not
+ * signals when module `periph_i2c` is used. Otherwise they are not
  * allocated and can be used for other purposes.
  *
  * @{
@@ -101,7 +101,7 @@
  * @name   PWM channel configuration
  *
  * @note As long as the according PWM device is not initialized with
- * the ```pwm_init```, the GPIOs declared for this device can be used
+ * the `pwm_init`, the GPIOs declared for this device can be used
  * for other purposes.
  *
  * @{
@@ -117,7 +117,7 @@
  *
  * @note The GPIOs listed in the configuration are first initialized as SPI
  * signals when the corresponding SPI interface is used for the first time
- * by either calling the ```spi_init_cs``` function or the ```spi_acquire```
+ * by either calling the `spi_init_cs` function or the `spi_acquire`
  * function. That is, they are not allocated as SPI signals before and can
  * be used for other purposes as long as the SPI interface is not used.
  *
diff --git a/boards/esp32-wemos-lolin-d32-pro/include/periph_conf.h b/boards/esp32-wemos-lolin-d32-pro/include/periph_conf.h
index 0aa2bc3dd5..b098d8d094 100644
--- a/boards/esp32-wemos-lolin-d32-pro/include/periph_conf.h
+++ b/boards/esp32-wemos-lolin-d32-pro/include/periph_conf.h
@@ -60,7 +60,7 @@
  * GPIO35 is used to measure V_BAT and is therefore not broken out.
  *
  * @note As long as the GPIOs listed in ADC_GPIOS are not initialized as ADC
- * channels with the ```adc_init``` function, they can be used for other
+ * channels with the `adc_init` function, they can be used for other
  * purposes.
  */
 #ifndef ADC_GPIOS
@@ -75,7 +75,7 @@
  * @brief   Declaration of GPIOs that can be used as DAC channels
  *
  * @note As long as the GPIOs listed in DAC_GPIOS are not initialized as DAC
- * channels with the ```dac_init``` function, they can be used for other
+ * channels with the `dac_init` function, they can be used for other
  * purposes.
  */
 #ifndef DAC_GPIOS
@@ -90,7 +90,7 @@
  * Only I2C interface I2C_DEV(0) is used.
  *
  * @note The GPIOs listed in the configuration are only initialized as I2C
- * signals when module ```perpih_i2c``` is used. Otherwise they are not
+ * signals when module `periph_i2c` is used. Otherwise they are not
  * allocated and can be used for other purposes.
  *
  * @{
@@ -111,7 +111,7 @@
  * @name   PWM channel configuration
  *
  * @note As long as the according PWM device is not initialized with
- * the ```pwm_init```, the GPIOs declared for this device can be used
+ * the `pwm_init`, the GPIOs declared for this device can be used
  * for other purposes.
  *
  * @{
@@ -134,7 +134,7 @@
  *
  * @note The GPIOs listed in the configuration are first initialized as SPI
  * signals when the corresponding SPI interface is used for the first time
- * by either calling the ```spi_init_cs``` function or the ```spi_acquire```
+ * by either calling the `spi_init_cs` function or the `spi_acquire`
  * function. That is, they are not allocated as SPI signals before and can
  * be used for other purposes as long as the SPI interface is not used.
  *
diff --git a/boards/esp32-wroom-32/include/periph_conf.h b/boards/esp32-wroom-32/include/periph_conf.h
index 53ce161c61..1c077c741c 100644
--- a/boards/esp32-wroom-32/include/periph_conf.h
+++ b/boards/esp32-wroom-32/include/periph_conf.h
@@ -48,7 +48,7 @@ extern "C" {
  * channels.
  *
  * @note As long as the GPIOs listed in ADC_GPIOS are not initialized as ADC
- * channels with the ```adc_init``` function, they can be used for other
+ * channels with the `adc_init` function, they can be used for other
  * purposes.
  */
 #ifndef ADC_GPIOS
@@ -64,7 +64,7 @@ extern "C" {
  * DAC channels.
  *
  * @note As long as the GPIOs listed in DAC_GPIOS are not initialized as DAC
- * channels with the ```dac_init``` function, they can be used for other
+ * channels with the `dac_init` function, they can be used for other
  * purposes.
  */
 #ifndef DAC_GPIOS
@@ -78,7 +78,7 @@ extern "C" {
  * For generic boards, only one I2C interface I2C_DEV(0) is defined.
  *
  * The GPIOs listed in the configuration are only initialized as I2C signals
- * when module ```perpih_i2c``` is used. Otherwise they are not allocated and
+ * when module `periph_i2c` is used. Otherwise they are not allocated and
  * can be used for other purposes.
  *
  * @{
@@ -102,7 +102,7 @@ extern "C" {
  * Generally, all outputs pins could be used as PWM channels.
  *
  * @note As long as the according PWM device is not initialized with
- * the ```pwm_init```, the GPIOs declared for this device can be used
+ * the `pwm_init`, the GPIOs declared for this device can be used
  * for other purposes.
  *
  * @{
@@ -130,7 +130,7 @@ extern "C" {
  *
  * @note The GPIOs listed in the configuration are first initialized as SPI
  * signals when the corresponding SPI interface is used for the first time
- * by either calling the ```spi_init_cs``` function or the ```spi_acquire```
+ * by either calling the `spi_init_cs` function or the `spi_acquire`
  * function. That is, they are not allocated as SPI signals before and can
  * be used for other purposes as long as the SPI interface is not used.
  * @{
diff --git a/boards/esp32-wrover-kit/include/periph_conf.h b/boards/esp32-wrover-kit/include/periph_conf.h
index 46cf6123e6..78df4301de 100644
--- a/boards/esp32-wrover-kit/include/periph_conf.h
+++ b/boards/esp32-wrover-kit/include/periph_conf.h
@@ -63,7 +63,7 @@
  * as ADC channels.
  *
  * @note As long as the GPIOs listed in ADC_GPIOS are not initialized as ADC
- * channels with the ```adc_init``` function, they can be used for other
+ * channels with the `adc_init` function, they can be used for other
  * purposes.
  */
 #ifndef ADC_GPIOS
@@ -89,7 +89,7 @@
  * @name   I2C configuration
  *
  * @note The GPIOs listed in the configuration are only initialized as I2C
- * signals when module ```perpih_i2c``` is used. Otherwise they are not
+ * signals when module `periph_i2c` is used. Otherwise they are not
  * allocated and can be used for other purposes.
  *
  * @{
@@ -115,7 +115,7 @@
  * purposes.
  *
  * @note As long as the according PWM device is not initialized with
- * the ```pwm_init```, the GPIOs declared for this device can be used
+ * the `pwm_init`, the GPIOs declared for this device can be used
  * for other purposes.
  *
  * @{
@@ -140,7 +140,7 @@
  *
  * SPI configuration depends on configured/connected components.
  *
- * HSPI is is always available and therefore used as SPI_DEV(0)
+ * HSPI is always available and therefore used as SPI_DEV(0)
  * VSPI is only available when the camera is not plugged.
  *
  * @{
@@ -169,7 +169,7 @@
  *
  * @note The GPIOs listed in the configuration are first initialized as SPI
  * signals when the corresponding SPI interface is used for the first time
- * by either calling the ```spi_init_cs``` function or the ```spi_acquire```
+ * by either calling the `spi_init_cs` function or the `spi_acquire`
  * function. That is, they are not allocated as SPI signals before and can
  * be used for other purposes as long as the SPI interface is not used.
  *