diff --git a/kernel/include/los_task.h b/kernel/include/los_task.h
index 427c5b8020b79e9e473d3cdf7ceaf9bb72784af3..8e5b8ef584c66959182beb8ad19bfcc9cfc17468 100644
--- a/kernel/include/los_task.h
+++ b/kernel/include/los_task.h
@@ -536,7 +536,7 @@ typedef struct tagTskInfo {
*
If the size of the task stack of the task to be created is 0, configure #LOSCFG_BASE_CORE_TSK_DEFAULT_STACK_SIZE
* to specify the default task stack size. The stack size should be a reasonable value, if the size is too large, may
* cause memory exhaustion.
- * The task stack size must be aligned on the boundary of 8 bytes. The size is determined by whether it is big
+ * The task stack size must be aligned on the boundary of 16 bytes. The size is determined by whether it is big
* enough to avoid task stack overflow.
* Less parameter value indicates higher task priority.
* The task name cannot be null.
@@ -582,7 +582,7 @@ extern UINT32 LOS_TaskCreateOnly(UINT32 *taskID, TSK_INIT_PARAM_S *initParam);
* The task name is a pointer and is not allocated memory.
* If the size of the task stack of the task to be created is 0, configure #LOSCFG_BASE_CORE_TSK_DEFAULT_STACK_SIZE
* to specify the default task stack size.
- * The task stack size must be aligned on the boundary of 8 bytes. The size is determined by whether it is big
+ * The task stack size must be aligned on the boundary of 16 bytes. The size is determined by whether it is big
* enough to avoid task stack overflow.
* Less parameter value indicates higher task priority.
* The task name cannot be null.