tweaks

doc/source/csst_common/csst_common.rst

 Using ``csst_common``
 =====================
 
-Some usages of the functions / classes in ``csst_common``. (To be updated)
+In this chapter, we introduce the basic usages of some IMPORTANT functions / classes in ``csst_common``.
+Package source code and installation guide can be found in the link below.
+
+- https://csst-tb.bao.ac.cn/code/csst-l1/csst_common
 
 ``csst_common.data_manager.CsstMsDataManager``
 ----------------------------------------------

doc/source/vcs.rst

@@ -219,10 +219,10 @@ As a developer, you can also create a merge requrest to ask code reviewers to me
 First, click ``Merge requests`` tag, click ``
     .. image:: vcs/merge_request.png
 Second, select source branch and target branch, create a new merge request.
+    .. image:: vcs/pushed_to_dev.png
+The code reviewers should then view the changes, and decide whether the changes should be approved.
     .. image:: vcs/create_merge_request.png
-The code reviewers should then view the chagnes, and decide whether the changes should be approved.
-    .. image:: vcs/create_merge_request.png
-If the changes are accepted, approve and merge the changes into `main` branch.
+If the changes are accepted, approve and merge the changes into the `main` branch.
     .. image:: vcs/merge_approve.png
 After the changes have been merged, code reviewers should leave comment on the changes.
     .. image:: vcs/merged.png
\ No newline at end of file