Ticket #6993: templates.diff

docs/templates.txt

@@ -819 +819 @@
 
 2. If given a variable, check whether that variable has changed. For
    example, the following shows the date every time it changes, but
-   only shows the hour if both the hour and the date has changed::
+   only shows the hour if both the hour and the date have changed::
 
         {% for date in days %}
             {% ifchanged date.date %} {{ date.date }} {% endifchanged %}