Update copy on study type

studies/forms.py

@@ -312,14 +312,12 @@ def __init__(self, user=None, *args, **kwargs):
         # Disable ablility to change study type after study creation.
         self.fields["study_type"].disabled = True
         self.fields["study_type"].help_text = (
-            "<p>The type of experiment cannot be changed after creating a study, so please "
-            '<a href="https://lookit.readthedocs.io/en/develop/index.html?highlight=external#what-is-lookit">'
-            "review the distinction between experiment builder (internal) studies and external studies</a>"
-            ', and ask a question on <a href="http://lookit-mit.slack.com/">Slack</a> '
-            "if you need help selecting the right option!</p>"
-            "<p>If you are building a study that will happen partially on Lookit (e.g. "
-            "by using the Lookit consent process) and partially on a link that you "
-            "provide, choose the experiment builder option.</p>"
+            "<p>NOTE: The study type cannot be changed after creation.</p>"
+            "Before saving for the first time, please "
+            '<a rel="noopener noreferrer" target="_blank" href="https://lookit.readthedocs.io/en/develop/index.html?highlight=external#what-is-lookit">review the distinction between experiment builder (internal) studies and external studies</a>'
+            ", and ask a question on "
+            '<a rel="noopener noreferrer" target="_blank" href="http://lookit-mit.slack.com/">Slack</a>'
+            " if you need help selecting the right option!"
         )
 
         # Restrict ability to edit study lab based on user permissions