update team readme instructions (#173)

* update team readme instructions

* clarify cannot duplicate a file on GH

* add newline

* add Joe's suggested language

* Update team/README.md

team/README.md

@@ -1,16 +1,21 @@
 # The team folder
 
-All members of the organizing team should add themselves to the webpage and
-this folder contains a file for each person describing themselves.
+All members of the organizing team should add themselves to the webpage.
+This folder contains a file for each person describing themselves.
 
 ## Adding a new member
 Follow these steps to add yourself:
-* Use the provided 'template.yaml' file and copy the file.
-* Create a copy of the 'template.yaml' file and rename the file to your name
+* Navigate to the 'landing page' repository for your event.
+* Navigate into the 'teams' directory.
+* Use the provided 'template.yaml' file.
+* Create a copy of the 'template.yaml' file and rename the file to your name.
+In the GitHub interface, you can create a new file and copy-paste from the template.
+Or, in a local repository you can do this on the command line with
    ```
     cp template.yaml FirstName-LastName.yaml
    ```
 * Open the new file you just created in your favorite editor and fill out the
   details, replacing the placeholder text.
-* Commit the file and open a pull request
-* Don't forget to add a reviewer to the pull request so they get notified.
+* Commit the file and (if necessary) push your changes to GitHub.
+* Open a pull request (PR).
+* Don't forget to add a reviewer to the PR so they get notified.