cosmetic changes in training plan presentation

rowers/templates/instantplans.html

@@ -15,10 +15,13 @@
     <p>Created by: {{ plan.owner.first_name }} {{ plan.owner.last_name }}</p>
     <p>Plan length: {{ plan.duration }} days</p>
     <p>{{ plan.description }}</p>
-    <p>{{ plan.target }}</p>
+    {% if plan.target %}
+    <p>What the plan will achieve: {{ plan.target }}</p>
+    {% endif %}
+    {% if plan.goal %}
     <p>Goal: {{ plan.goal }}</p>
-    <p>{{ plan.hoursperweek }} hours per week</p>
-    <p>{{ plan.sessionsperweek }} sessoins per week</p>
+    {% endif %}
+    <p>{{ plan.hoursperweek }} hours per week over {{ plan.sessionsperweek }} sessions</p>
 
   </li>
   {% endfor %}