Minor edit in README.md

A minor edit was made in the copyright correction part of the checklist.

1 files changed, 4 insertions, 3 deletions

diff --git a/README.md b/README.md
index a60e7a9..65899c8 100644
--- a/README.md
+++ b/README.md
@@ -395,9 +395,10 @@ been explained here), please let us know to correct it.
      files and add your name and email to the copyright notice. You can
      find the files by searching for the placeholder email
      `your@email.address` (which you should change) with the command below
-     (you can ignore this file and any in the `tex/` directory. When making
-     new files, always remember to add a similar copyright statement at the
-     top of the file. This is important.
+     (you can ignore this file, `README.md', and any in the `tex/`
+     directory). When making new files, always remember to add a similar
+     copyright statement at the top of the file and also ask your
+     colleagues to do so when they edit a file. This is very important.
 
      ```shell
      $ grep -r your@email.address ./*