diff --git a/RIGS/models.py b/RIGS/models.py
index 524cc338..e84428bb 100644
--- a/RIGS/models.py
+++ b/RIGS/models.py
@@ -255,8 +255,8 @@ class Event(models.Model, RevisionMixin):
     # Monies
     payment_method = models.CharField(max_length=255, blank=True, null=True)
     payment_received = models.CharField(max_length=255, blank=True, null=True)
-    purchase_order = models.CharField(max_length=255, blank=True, null=True, verbose_name='Purchase Order')
-    collector = models.CharField(max_length=255, blank=True, null=True, verbose_name='Collected By')
+    purchase_order = models.CharField(max_length=255, blank=True, null=True, verbose_name='PO')
+    collector = models.CharField(max_length=255, blank=True, null=True, verbose_name='Collected by')
 
     # Calculated values
     """
diff --git a/RIGS/templates/RIGS/invoice_detail.html b/RIGS/templates/RIGS/invoice_detail.html
index 013dfc65..f36d87af 100644
--- a/RIGS/templates/RIGS/invoice_detail.html
+++ b/RIGS/templates/RIGS/invoice_detail.html
@@ -63,7 +63,7 @@
                                 <dd>{{ object.checked_in_by.name }}</dd>
                             {% endif %}
 
-                            <dt>Purchase Order</dt>
+                            <dt>PO</dt>
                             <dd>{{ object.event.purchase_order }}</dd>
                         </dl>
                     </div>