diff --git a/Assignment2.md b/Assignment2.md
index 44ae66a..d74836a 100644
--- a/Assignment2.md
+++ b/Assignment2.md
@@ -179,7 +179,7 @@ $
 $ docker run busybox echo "hello from busybox"
 hello from busybox
 ```
-##### hint：通常为了便于区分，docker image不在运行时叫image，加载运行以后叫container
+##### hint：通常,docker image不在运行时叫image，加载运行以后叫container
 
 
 `**************作业1：请将上述涉及docker run/image的操作界面截图，并插入实验报告中***************`