clarify the context

src/irq.c

@@ -71,7 +71,7 @@ void rt_interrupt_enter(void)
     RT_OBJECT_HOOK_CALL(rt_interrupt_enter_hook,());
     rt_hw_interrupt_enable(level);
 
-    RT_DEBUG_LOG(RT_DEBUG_IRQ, ("irq has come..., irq nest:%d\n",
+    RT_DEBUG_LOG(RT_DEBUG_IRQ, ("irq has come..., irq current nest:%d\n",
                                 rt_interrupt_nest));
 }
 RTM_EXPORT(rt_interrupt_enter);
@@ -87,7 +87,7 @@ void rt_interrupt_leave(void)
 {
     rt_base_t level;
 
-    RT_DEBUG_LOG(RT_DEBUG_IRQ, ("irq leave, irq nest:%d\n",
+    RT_DEBUG_LOG(RT_DEBUG_IRQ, ("irq is going to leave, irq current nest:%d\n",
                                 rt_interrupt_nest));
 
     level = rt_hw_interrupt_disable();