diff --git a/arch/arc/include/kernel_arch_func.h b/arch/arc/include/kernel_arch_func.h
index b9ca71668b1..905720a5d9a 100644
--- a/arch/arc/include/kernel_arch_func.h
+++ b/arch/arc/include/kernel_arch_func.h
@@ -58,7 +58,7 @@ static ALWAYS_INLINE int _is_in_isr(void)
 
 /**
  *
- * @bried Indicates the interrupt number of the highest priority
+ * @brief Indicates the interrupt number of the highest priority
  * active interrupt
  *
  * @return IRQ number
diff --git a/arch/arm/core/isr_wrapper.S b/arch/arm/core/isr_wrapper.S
index 52aeee9226f..28b3f6ead94 100644
--- a/arch/arm/core/isr_wrapper.S
+++ b/arch/arm/core/isr_wrapper.S
@@ -32,7 +32,7 @@ GTEXT(_IntExit)
  *
  * When inserted in the vector table, _isr_wrapper() demuxes the ISR table using
  * the running interrupt number as the index, and invokes the registered ISR
- * with its correspoding argument. When returning from the ISR, it determines
+ * with its corresponding argument. When returning from the ISR, it determines
  * if a context switch needs to happen (see documentation for __pendsv()) and
  * pends the PendSV exception if so: the latter will perform the context switch
  * itself.
diff --git a/arch/arm/core/thread.c b/arch/arm/core/thread.c
index c0142ba73c9..a32cf18fc86 100644
--- a/arch/arm/core/thread.c
+++ b/arch/arm/core/thread.c
@@ -40,7 +40,7 @@ static ALWAYS_INLINE void thread_monitor_init(struct k_thread *thread)
 
 /**
  *
- * @brief Intialize a new thread from its stack space
+ * @brief Initialize a new thread from its stack space
  *
  * The control structure (thread) is put at the lower address of the stack. An
  * initial context, to be "restored" by __pendsv(), is put at the other end of