diff --git a/arch/arm/src/sama5/sam_tsd.c b/arch/arm/src/sama5/sam_tsd.c
index 27be92fed9..930c18b7fa 100644
--- a/arch/arm/src/sama5/sam_tsd.c
+++ b/arch/arm/src/sama5/sam_tsd.c
@@ -300,7 +300,7 @@ static int sam_tsd_sample(struct sam_tsd_s *priv,
   irqstate_t flags;
   int ret = -EAGAIN;
 
-  /* Interrupts me be disabled when this is called to (1) prevent posting
+  /* Interrupts must be disabled when this is called to (1) prevent posting
    * of semaphores from interrupt handlers, and (2) to prevent sampled data
    * from changing until it has been reported.
    */
@@ -354,7 +354,7 @@ static int sam_tsd_waitsample(struct sam_tsd_s *priv,
   irqstate_t flags;
   int ret = 0;
 
-  /* Interrupts me be disabled when this is called to (1) prevent posting
+  /* Interrupts must be disabled when this is called to (1) prevent posting
    * of semaphores from interrupt handlers, and (2) to prevent sampled data
    * from changing until it has been reported.
    *
diff --git a/drivers/input/ads7843e.c b/drivers/input/ads7843e.c
index cfb3cf3de4..8bc69f5cc6 100644
--- a/drivers/input/ads7843e.c
+++ b/drivers/input/ads7843e.c
@@ -310,7 +310,7 @@ static int ads7843e_sample(FAR struct ads7843e_dev_s *priv,
   irqstate_t flags;
   int ret = -EAGAIN;
 
-  /* Interrupts me be disabled when this is called to (1) prevent posting
+  /* Interrupts must be disabled when this is called to (1) prevent posting
    * of semaphores from interrupt handlers, and (2) to prevent sampled data
    * from changing until it has been reported.
    */
@@ -364,7 +364,7 @@ static int ads7843e_waitsample(FAR struct ads7843e_dev_s *priv,
   irqstate_t flags;
   int ret;
 
-  /* Interrupts me be disabled when this is called to (1) prevent posting
+  /* Interrupts must be disabled when this is called to (1) prevent posting
    * of semaphores from interrupt handlers, and (2) to prevent sampled data
    * from changing until it has been reported.
    *
diff --git a/drivers/input/mxt.c b/drivers/input/mxt.c
index b42beed68f..d73313fe5d 100644
--- a/drivers/input/mxt.c
+++ b/drivers/input/mxt.c
@@ -657,7 +657,7 @@ static inline int mxt_waitsample(FAR struct mxt_dev_s *priv)
   irqstate_t flags;
   int ret;
 
-  /* Interrupts me be disabled when this is called to (1) prevent posting
+  /* Interrupts must be disabled when this is called to (1) prevent posting
    * of semaphores from interrupt handlers, and (2) to prevent sampled data
    * from changing until it has been reported.
    */
diff --git a/drivers/input/tsc2007.c b/drivers/input/tsc2007.c
index 9b35f933e9..766fb8db76 100644
--- a/drivers/input/tsc2007.c
+++ b/drivers/input/tsc2007.c
@@ -269,7 +269,7 @@ static int tsc2007_sample(FAR struct tsc2007_dev_s *priv,
   irqstate_t flags;
   int ret = -EAGAIN;
 
-  /* Interrupts me be disabled when this is called to (1) prevent posting
+  /* Interrupts must be disabled when this is called to (1) prevent posting
    * of semaphores from interrupt handlers, and (2) to prevent sampled data
    * from changing until it has been reported.
    */
@@ -323,7 +323,7 @@ static int tsc2007_waitsample(FAR struct tsc2007_dev_s *priv,
   irqstate_t flags;
   int ret;
 
-  /* Interrupts me be disabled when this is called to (1) prevent posting
+  /* Interrupts must be disabled when this is called to (1) prevent posting
    * of semaphores from interrupt handlers, and (2) to prevent sampled data
    * from changing until it has been reported.
    *
diff --git a/drivers/usbhost/usbhost_hidmouse.c b/drivers/usbhost/usbhost_hidmouse.c
index b743049001..7824ed895e 100644
--- a/drivers/usbhost/usbhost_hidmouse.c
+++ b/drivers/usbhost/usbhost_hidmouse.c
@@ -1195,7 +1195,7 @@ static int usbhost_sample(FAR struct usbhost_state_s *priv,
   irqstate_t flags;
   int ret = -EAGAIN;
 
-  /* Interrupts me be disabled when this is called to (1) prevent posting
+  /* Interrupts must be disabled when this is called to (1) prevent posting
    * of semaphores from interrupt handlers, and (2) to prevent sampled data
    * from changing until it has been reported.
    */
@@ -1260,7 +1260,7 @@ static int usbhost_waitsample(FAR struct usbhost_state_s *priv,
   irqstate_t flags;
   int ret;
 
-  /* Interrupts me be disabled when this is called to (1) prevent posting
+  /* Interrupts must be disabled when this is called to (1) prevent posting
    * of semaphores from interrupt handlers, and (2) to prevent sampled data
    * from changing until it has been reported.
    *
diff --git a/drivers/usbhost/usbhost_xboxcontroller.c b/drivers/usbhost/usbhost_xboxcontroller.c
index 72b34623b8..7172f82831 100644
--- a/drivers/usbhost/usbhost_xboxcontroller.c
+++ b/drivers/usbhost/usbhost_xboxcontroller.c
@@ -913,7 +913,7 @@ static int usbhost_sample(FAR struct usbhost_state_s *priv,
   irqstate_t flags;
   int ret = -EAGAIN;
 
-  /* Interrupts me be disabled when this is called to (1) prevent posting
+  /* Interrupts must be disabled when this is called to (1) prevent posting
    * of semaphores from interrupt handlers, and (2) to prevent sampled data
    * from changing until it has been reported.
    */
@@ -957,7 +957,7 @@ static int usbhost_waitsample(FAR struct usbhost_state_s *priv,
   irqstate_t flags;
   int ret;
 
-  /* Interrupts me be disabled when this is called to (1) prevent posting
+  /* Interrupts must be disabled when this is called to (1) prevent posting
    * of semaphores from interrupt handlers, and (2) to prevent sampled data
    * from changing until it has been reported.
    *