diff --git a/cpu/esp32/periph/gpio.c b/cpu/esp32/periph/gpio.c
index 137a7402a1..869015b953 100644
--- a/cpu/esp32/periph/gpio.c
+++ b/cpu/esp32/periph/gpio.c
@@ -342,7 +342,7 @@ bool gpio_read(gpio_t pin)
 {
     assert(pin < GPIO_PIN_NUMOF);
 
-    /* if the pin is not an input, it alsways returns 0 */
+    /* if the pin is not an input, it always returns 0 */
     /* TODO: not really clear whether it should return the last written value
      *       in this case. */
     int value = gpio_hal_get_level(&_gpio_hal_ctx, pin);
diff --git a/cpu/qn908x/periph/i2c.c b/cpu/qn908x/periph/i2c.c
index 1c5fd7470d..7cfe05dea0 100644
--- a/cpu/qn908x/periph/i2c.c
+++ b/cpu/qn908x/periph/i2c.c
@@ -362,7 +362,7 @@ int i2c_write_bytes(i2c_t dev, uint16_t addr, const void *data, size_t len,
                     uint8_t flags)
 {
     /* The write transfer should technically only use a const uint8_t* buffer
-     * but we are re-using the same function to save on code here. It will not
+     * but we are reusing the same function to save on code here. It will not
      * be written to in the I2C write case. */
 #if ENABLE_DEBUG
     DEBUG("[i2c] W a=%.2x len=%2u f=%.2x, data:", addr, (unsigned)len, flags);
diff --git a/drivers/lis2dh12/include/lis2dh12_registers.h b/drivers/lis2dh12/include/lis2dh12_registers.h
index 530434f285..b30b36795d 100644
--- a/drivers/lis2dh12/include/lis2dh12_registers.h
+++ b/drivers/lis2dh12/include/lis2dh12_registers.h
@@ -305,7 +305,7 @@ typedef union {
 typedef union {
     struct {
         uint8_t FTH:5;  /**< Set the watermark level for FIFO */
-        uint8_t TR:1;   /**< Trigging selection, FIFO event triggers INT1 or INT2 */
+        uint8_t TR:1;   /**< Triggering selection, FIFO event triggers INT1 or INT2 */
         uint8_t FM:2;   /**< FIFO mode selection */
     } bit;              /**< Structure used for bit access */
     uint8_t reg;        /**< Type used for register access */
diff --git a/drivers/pcf857x/pcf857x.c b/drivers/pcf857x/pcf857x.c
index 7179def063..92814fe7df 100644
--- a/drivers/pcf857x/pcf857x.c
+++ b/drivers/pcf857x/pcf857x.c
@@ -60,7 +60,7 @@ static int _write(const pcf857x_t *dev, pcf857x_data_t data);
 
 #if IS_USED(MODULE_PCF857X_IRQ)
 
-/* interrutp service routine for IRQs */
+/* interrupt service routine for IRQs */
 static void _irq_isr(void *arg);
 
 /* declaration of IRQ handler function */
diff --git a/examples/advanced/twr_aloha/README.md b/examples/advanced/twr_aloha/README.md
index 32e11a4739..5edbec4b13 100644
--- a/examples/advanced/twr_aloha/README.md
+++ b/examples/advanced/twr_aloha/README.md
@@ -52,7 +52,7 @@ $ iotlab-experiment  --jmespath="items[*].network_address | sort(@)" get --nodes
 ```
 
 When flashing the devices set `IOTLAB_NODE` to one of the above values, e.g. for
-the firs node: `IOTLAB_NODE=dwm1001-2.saclay.iot-lab.info`.
+the first node: `IOTLAB_NODE=dwm1001-2.saclay.iot-lab.info`.
 
 ##### Free up the resources
 
diff --git a/pkg/uwb-core/include/dpl_syscfg/syscfg_uwb_rng.h b/pkg/uwb-core/include/dpl_syscfg/syscfg_uwb_rng.h
index 6c2d1b4e88..d10f93ef7b 100644
--- a/pkg/uwb-core/include/dpl_syscfg/syscfg_uwb_rng.h
+++ b/pkg/uwb-core/include/dpl_syscfg/syscfg_uwb_rng.h
@@ -40,7 +40,7 @@ extern "C" {
 #endif
 
 /**
- * @brief worstcase tx holdoff delay for all TWR modes (usec)
+ * @brief worst case tx holdoff delay for all TWR modes (usec)
  */
 #ifndef MYNEWT_VAL_RNG_TX_HOLDOFF
 #define MYNEWT_VAL_RNG_TX_HOLDOFF (((uint32_t)0x0320 + 0xA0 * IS_USED(MODULE_UWB_CORE_RNG_TRX_INFO)))
diff --git a/sys/include/net/sock/dtls.h b/sys/include/net/sock/dtls.h
index 267692b58a..c03a14b35b 100644
--- a/sys/include/net/sock/dtls.h
+++ b/sys/include/net/sock/dtls.h
@@ -921,7 +921,7 @@ static inline ssize_t sock_dtls_recv_buf(sock_dtls_t *sock,
 }
 
 /**
- * @brief Encrypts and sends a message to a remote peer with non-continous payload
+ * @brief Encrypts and sends a message to a remote peer with non-continuous payload
  *
  * @param[in]   sock    DTLS sock to use
  * @param[in]   remote  DTLS session to use. A new session will be created
@@ -1055,7 +1055,7 @@ static inline ssize_t sock_dtls_send(sock_dtls_t *sock,
 }
 
 /**
- * @brief Encrypts and sends a message to a remote peer with non-continous payload
+ * @brief Encrypts and sends a message to a remote peer with non-continuous payload
  *
  * @param[in] sock      DTLS sock to use
  * @param[in] remote    DTLS session to use. A new session will be created
diff --git a/sys/include/net/sock/udp.h b/sys/include/net/sock/udp.h
index 0d47c3f2f5..4daca4d449 100644
--- a/sys/include/net/sock/udp.h
+++ b/sys/include/net/sock/udp.h
@@ -633,7 +633,7 @@ static inline ssize_t sock_udp_recv_buf(sock_udp_t *sock,
 }
 
 /**
- * @brief   Sends a UDP message to remote end point with non-continous payload
+ * @brief   Sends a UDP message to remote end point with non-continuous payload
  *
  * @pre `((sock != NULL || remote != NULL))`
  *
@@ -759,7 +759,7 @@ static inline ssize_t sock_udp_send(sock_udp_t *sock,
 }
 
 /**
- * @brief   Sends a UDP message to remote end point with non-continous payload
+ * @brief   Sends a UDP message to remote end point with non-continuous payload
  *
  * @pre `((sock != NULL || remote != NULL))`
  *
diff --git a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c b/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c
index 1112969719..265b57301f 100644
--- a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c
+++ b/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c
@@ -583,7 +583,7 @@ void gnrc_sixlowpan_frag_rb_gc(void)
     unsigned int i;
 
     for (i = 0; i < CONFIG_GNRC_SIXLOWPAN_FRAG_RBUF_SIZE; i++) {
-        /* since pkt occupies pktbuf, aggressivly collect garbage */
+        /* since pkt occupies pktbuf, aggressively collect garbage */
         if (!gnrc_sixlowpan_frag_rb_entry_empty(&rbuf[i]) &&
               ((now_usec - rbuf[i].super.arrival) >
                CONFIG_GNRC_SIXLOWPAN_FRAG_RBUF_TIMEOUT_US)) {
diff --git a/tests/README.md b/tests/README.md
index 97f3c93f62..818fb537c4 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -113,7 +113,7 @@ If you would like to clean intermediate files for all boards go to main RIOT
 directory and use this command.
 
 @warning This command cleans all local files, for example, pkg downloads and
-locally generared docs.
+locally generated docs.
 
 
     make distclean