changed bands to zones (wording)

rowers/templates/rower_form.html

@@ -9,7 +9,7 @@
 </p>
 {% endif %}
 <div class="grid_6 alpha">
-  <h2>Heart Rate Bands</h2>
+  <h2>Heart Rate Zones</h2>
 
   <form enctype="multipart/form-data" action="" method="post">
     <table>
@@ -23,7 +23,7 @@
 </div>
 <div class="grid_6 omega">
   <p>
-    <h2>Power Bands</h2>
+    <h2>Power Zones</h2>
     <form enctype="multipart/form-data" action="" method="post">
       {% if powerzonesform.errors %}
       <p style="color: red;">