diff --git a/lib/efm32/lg/gpio.c b/lib/efm32/lg/gpio.c
index b4459ede..23574228 100644
--- a/lib/efm32/lg/gpio.c
+++ b/lib/efm32/lg/gpio.c
@@ -68,7 +68,7 @@ void gpio_set_drive_strength(uint32_t gpio_port,
  * @param[in] gpio_port GPIO Port (use GPIO* ex. GPIOA, GPIOB, ....)
  * @param[in] mode Mode (use GPIO_MODE_*)
  * @param[in] gpios (pins mask (use GPIO* ex . GPIO0, GPIO1 .... GPIO_ALL,
- *                 use logical OR '|' to separate)
+ *                 use bitwise OR '|' to separate)
  */
 void gpio_mode_setup(uint32_t gpio_port, enum gpio_mode mode, uint16_t gpios)
 {
@@ -97,7 +97,7 @@ void gpio_mode_setup(uint32_t gpio_port, enum gpio_mode mode, uint16_t gpios)
  * Set port pins output value (Atomic)
  * @param[in] gpio_port GPIO Port (use GPIO* ex. GPIOA, GPIOB, ....)
  * @param[in] gpios (pins mask (use GPIO* ex . GPIO0, GPIO1 .... GPIO_ALL,
- *                 use logical OR '|' to separate)
+ *                 use bitwise OR '|' to separate)
  */
 void gpio_set(uint32_t gpio_port, uint16_t gpios)
 {
@@ -108,7 +108,7 @@ void gpio_set(uint32_t gpio_port, uint16_t gpios)
  * Set port pins output value (Atomic)
  * @param[in] gpio_port GPIO Port (use GPIO* ex. GPIOA, GPIOB, ....)
  * @param[in] gpios (pins mask (use GPIO* ex . GPIO0, GPIO1 .... GPIO_ALL,
- *                 use logical OR '|' to separate)
+ *                 use bitwise OR '|' to separate)
  */
 void gpio_clear(uint32_t gpio_port, uint16_t gpios)
 {
@@ -119,8 +119,8 @@ void gpio_clear(uint32_t gpio_port, uint16_t gpios)
  * Get port pins input value
  * @param[in] gpio_port GPIO Port (use GPIO* ex. GPIOA, GPIOB, ....)
  * @param[in] gpios (pins mask (use GPIO* ex . GPIO0, GPIO1 .... GPIO_ALL,
- *                 use logical OR '|' to separate)
- * @return masked pins value (separated by logical OR '|')
+ *                 use bitwise OR '|' to separate)
+ * @return masked pins value (separated by bitwise OR '|')
  */
 uint16_t gpio_get(uint32_t gpio_port, uint16_t gpios)
 {
@@ -131,7 +131,7 @@ uint16_t gpio_get(uint32_t gpio_port, uint16_t gpios)
  * Toggle port pins output value (Atomic)
  * @param[in] gpio_port GPIO Port (use GPIO* ex. GPIOA, GPIOB, ....)
  * @param[in] gpios (pins mask (use GPIO* ex . GPIO0, GPIO1 .... GPIO_ALL,
- *                 use logical OR '|' to separate)
+ *                 use bitwise OR '|' to separate)
  */
 void gpio_toggle(uint32_t gpio_port, uint16_t gpios)
 {
@@ -167,7 +167,7 @@ void gpio_port_write(uint32_t gpio_port, uint16_t data)
  *
  * @param[in] gpio_port GPIO Port (use GPIO* ex. GPIOA, GPIOB, ....)
  * @param[in] gpios (pins mask (use GPIO* ex . GPIO0, GPIO1 .... GPIO_ALL,
- *                 use logical OR '|' to separate)
+ *                 use bitwise OR '|' to separate)
 */
 void gpio_port_config_lock(uint32_t gpio_port, uint16_t gpios)
 {
diff --git a/lib/stm32/common/gpio_common_all.c b/lib/stm32/common/gpio_common_all.c
index d77c2f3d..98d15ad4 100644
--- a/lib/stm32/common/gpio_common_all.c
+++ b/lib/stm32/common/gpio_common_all.c
@@ -34,7 +34,7 @@ Set one or more pins of the given GPIO port to 1 in an atomic operation.
 
 @param[in] gpioport Unsigned int32. Port identifier @ref gpio_port_id
 @param[in] gpios Unsigned int16. Pin identifiers @ref gpio_pin_id
-	     If multiple pins are to be changed, use logical OR '|' to separate
+	     If multiple pins are to be changed, use bitwise OR '|' to separate
 	     them.
 */
 void gpio_set(uint32_t gpioport, uint16_t gpios)
@@ -49,7 +49,7 @@ Clear one or more pins of the given GPIO port to 0 in an atomic operation.
 
 @param[in] gpioport Unsigned int32. Port identifier @ref gpio_port_id
 @param[in] gpios Unsigned int16. Pin identifiers @ref gpio_pin_id
-	     If multiple pins are to be changed, use logical OR '|' to separate
+	     If multiple pins are to be changed, use bitwise OR '|' to separate
 	     them.
 */
 void  gpio_clear(uint32_t gpioport, uint16_t gpios)
@@ -62,7 +62,7 @@ void  gpio_clear(uint32_t gpioport, uint16_t gpios)
 
 @param[in] gpioport Unsigned int32. Port identifier @ref gpio_port_id
 @param[in] gpios Unsigned int16. Pin identifiers @ref gpio_pin_id
-	    If multiple pins are to be read, use logical OR '|' to separate
+	    If multiple pins are to be read, use bitwise OR '|' to separate
 	    them.
 @return Unsigned int16 value of the pin values. The bit position of the pin
 	value returned corresponds to the pin number.
@@ -80,7 +80,7 @@ the non-toggled pins are not affected.
 
 @param[in] gpioport Unsigned int32. Port identifier @ref gpio_port_id
 @param[in] gpios Unsigned int16. Pin identifiers @ref gpio_pin_id
-	     If multiple pins are to be changed, use logical OR '|' to separate
+	     If multiple pins are to be changed, use bitwise OR '|' to separate
 	     them.
 */
 void gpio_toggle(uint32_t gpioport, uint16_t gpios)
@@ -125,7 +125,7 @@ reset.
 
 @param[in] gpioport Unsigned int32. Port identifier @ref gpio_port_id
 @param[in] gpios Unsigned int16. Pin identifiers @ref gpio_pin_id
-	     If multiple pins are to be locked, use logical OR '|' to separate
+	     If multiple pins are to be locked, use bitwise OR '|' to separate
 	     them.
 */
 void gpio_port_config_lock(uint32_t gpioport, uint16_t gpios)
diff --git a/lib/stm32/f1/gpio.c b/lib/stm32/f1/gpio.c
index 76cbd5b4..cbfdba81 100644
--- a/lib/stm32/f1/gpio.c
+++ b/lib/stm32/f1/gpio.c
@@ -88,7 +88,7 @@ open drain/push pull), for a set of GPIO pins on a given GPIO port.
 @param[in] mode Unsigned int8. Pin mode @ref gpio_mode
 @param[in] cnf Unsigned int8. Pin configuration @ref gpio_cnf
 @param[in] gpios Unsigned int16. Pin identifiers @ref gpio_pin_id
-	     If multiple pins are to be set, use logical OR '|' to separate
+	     If multiple pins are to be set, use bitwise OR '|' to separate
 	     them.
 */
 
@@ -161,7 +161,7 @@ this function as its current value cannot be ascertained from the hardware.
 
 @param[in] swjdisable Unsigned int8. Disable parts of the SWJ capability @ref
 afio_swj_disable.
-@param[in] maps Unsigned int32. Logical OR of map enable controls from @ref
+@param[in] maps Unsigned int32. Bitwise OR of map enable controls from @ref
 afio_remap, @ref afio_remap_can1, @ref afio_remap_tim3, @ref afio_remap_tim2,
 @ref afio_remap_tim1, @ref afio_remap_usart3. For connectivity line devices
 only @ref afio_remap_cld are also available.
@@ -182,7 +182,7 @@ gpio_primary_remap for the main set of remaps.
 
 The AFIO remapping feature is used only with the STM32F10x series.
 
-@param[in] maps Unsigned int32. Logical OR of map enable controls from @ref
+@param[in] maps Unsigned int32. Bitwise OR of map enable controls from @ref
 afio_remap2
 */
 void gpio_secondary_remap(uint32_t maps)