Fix spellcheck issues

src/pretix/locale/wordlist.txt

@@ -10,6 +10,7 @@ analytics
 anonymize
 anonymized
 Auth
+authentification
 authenticator
 automatical
 availabilities

src/pretix/plugins/statistics/templates/pretixplugins/statistics/index.html

@@ -24,8 +24,8 @@
                     <small>
                         {% blocktrans trimmed %}
                             Orders paid in multiple payments are shown with the date of their last payment.
-                            Placed orders include all orders (pending, paid, cancelled, and expired);
+                            Placed orders include all orders (pending, paid, canceled, and expired);
-                            paid orders include only paid orders and exclude all cancelled orders.
+                            paid orders include only paid orders and exclude all canceled orders.
                         {% endblocktrans %}
                     </small>
                 </p>
@@ -40,12 +40,12 @@
                 <p class="help-block">
                     <small>
                         {% blocktrans trimmed %}
-                            Attendees in orders paid in multiple instalments are shown using the date of the
+                            Attendees in orders paid in multiple payments are shown using the date of the
                             final payment. Order dates reflect when the order was first placed; attendees added
                             later via additional order positions still use the original order date. Attendees in
-                            placed orders include those from all order states (pending, paid, cancelled, and
+                            placed orders include those from all order states (pending, paid, canceled, and
                             expired); attendees in paid orders include only those from paid orders and exclude
-                            those from cancelled orders.
+                            those from canceled orders.
                         {% endblocktrans %}
                     </small>
                 </p>
@@ -60,12 +60,12 @@
                 <p class="help-block">
                     <small>
                         {% blocktrans trimmed %}
-                            Attendees in orders paid in multiple instalments are shown using the date of the
+                            Attendees in orders paid in multiple payments are shown using the date of the
                             final payment. Order dates reflect when the order was first placed; attendees added
                             later via additional order positions still use the original order date. Attendees in
-                            placed orders include those from all order states (pending, paid, cancelled, and
+                            placed orders include those from all order states (pending, paid, canceled, and
                             expired); attendees in paid orders include only those from paid orders and exclude
-                            those from cancelled orders.
+                            those from canceled orders.
                         {% endblocktrans %}
                     </small>
                 </p>
@@ -97,7 +97,7 @@
                             {% blocktrans trimmed %}
                                 Only fully paid orders are counted.
                                 Orders paid in multiple payments are shown with the date of their last payment.
-                                Revenue includes all fees, including cancellation fees from cancelled orders.
+                                Revenue includes all fees, including cancellation fees from canceled orders.
                             {% endblocktrans %}
                         {% endif %}
                     </small>
@@ -113,8 +113,8 @@
                 <p class="help-block">
                     <small>
                         {% blocktrans trimmed %}
-                            Placed orders include all orders (pending, paid, cancelled, and expired);
+                            Placed orders include all orders (pending, paid, canceled, and expired);
-                            paid orders include only paid orders and exclude all cancelled orders.
+                            paid orders include only paid orders and exclude all canceled orders.
                         {% endblocktrans %}
                     </small>
                 </p>