fix #795: typo

misago/templates/misago/emails/register/inactive.txt

@@ -28,7 +28,7 @@
   {{ SITE_ADDRESS }}{% url 'misago:activate-by-token' pk=recipient.pk token=activation_token %}"
 
   {% blocktrans trimmed with login_form=login_link|safe %}
-  Once your account is activated, you can always sign in to it using the form velow:
+  Once your account is activated, you can always sign in to it using the form below:
   {% endblocktrans %}
   {{ SITE_ADDRESS }}{% url LOGIN_URL %}
 {% endif %}