update comment

Author: Brad Miller

runestone/common/project_template/pavement.tmpl

@@ -42,7 +42,7 @@ options(
                        'dynamic_pages': %(dynamic_pages)s,
                        'use_services': use_services,
                        'basecourse': project_name,
-                       # If ``use_services`` is 'true', then the following values are ignored, since they're provided by the server.
+                       # If ``dynamic_pages`` is 'True', then the following values are ignored, since they're provided by the server.
                        'course_id': project_name,
                        'appname': 'runestone',
                        'course_url': '%(master_url)s',