adding fast and slow pace ranges

rowers/templates/favoritecharts.html

@@ -5,6 +5,12 @@
 {% block main %}
 <h1>Static Charts Settings of {{ rower.user.first_name }} {{ rower.user.last_name }}</h1>
 
+<p>
+  Use this form to change some of the characteristics of the static charts. The grid option
+  overlays grid lines over the charts. The fastest and slowest pace determine cutoff values for
+  pace. 
+</p>
+
 <p>
 <form method="post">
   {% csrf_token %}