diff --git a/co_routine_inner.h b/co_routine_inner.h
index 9d0e092..90b45b6 100644
--- a/co_routine_inner.h
+++ b/co_routine_inner.h
@@ -65,7 +65,7 @@ struct stCoRoutine_t
 	stStackMem_t* stack_mem;
 
 
-	//save satck buffer while confilct on same stack_buffer;
+	//save stack buffer while confilct on same stack_buffer;
 	char* stack_sp; 
 	unsigned int save_size;
 	char* save_buffer;