update README

Author: zaikunzhang

templates/README.md

@@ -5,9 +5,10 @@ This directory contains LaTeX templates for the team of Dr. Zaikun Zhang.
 1. Before starting, under the directory containing the main TeX file, create a symbolic link named "ref.bib" to the universal BibTeX file, which should be a local copy of
 https://github.com/equipez/bibliographie/blob/main/ref.bib .
 2. If you do not have access to the above file, then put your BibTeX entries in `template.bib`.
-3. By default, the template is in the draft mode. Remove the `draft` option in the
+3. By default, the templates are in the draft mode. Remove the `draft` option in the
 `\documentclass` command to switch to the final mode.
-4. If you are a vim user, then try the [vim template](../vim/templates/article.tex). It should be equivalent to the current one.
+4. If you are a vim user, then try the [vim templates](../vim/templates), which should be equivalent
+   to the templates in this directory.
 
 ## Usage