Add rub symbol

apps/course/templates/course/_items.html

@@ -23,7 +23,7 @@
     <a class="courses__theme theme {{ theme_color }}"
        href="{% url 'courses' %}?category={{ course.category.title }}">{{ course.category | upper }}</a>
     {% if not course.is_free %}
-      <div class="courses__price">{{ course.price|floatformat:"-2" }}$</div>
+      <div class="courses__price">{{ course.price|floatformat:"-2" }}₽</div>
     {% endif %}
   </div>
   <a class="courses__title" href="{% url 'course' course.id %}">{{ course.title }}</a>