Update django.md

Author: SaeidJavadi

source/_posts/django.md

@@ -889,7 +889,7 @@ class ArticleForm(ModelForm):
 
 - NOTE: If the form contains a file field, your form MUST contain `enctype="multipart/form-data"`, eg:
 
-```django
+```html
 <form action="" method="post" enctype="multipart/form-data">
     {% csrf_token %}
     {{ form.as_p }}
@@ -2202,4 +2202,4 @@ If you change the Nginx server block configuration, test the configuration and t
 
 ```bash
 sudo nginx -t && sudo systemctl restart nginx
-```
+```