Update README.md

README.md

@@ -15,7 +15,7 @@ item which is a `News` instance, then a item which is a `Page` instance, then a
 
 Add `highlighted_content` in `INSTALLED_APPS` and configure models which can be used as "item":
 
-```
+```python
 # settings.py
 
 
@@ -35,7 +35,7 @@ CMS_HIGHLIGHTED_CONTENT_ITEMS_MODELS = (
 
 In your HighlightedContentItem, you **MUST** define the highlighted_content ForeignKey.
 
-```
+```python
 # models.py
 
 from highlighted_content.models import HighlightedContentPluginBase, HighlightedContentItemBase
@@ -52,7 +52,7 @@ Make your migration and apply it.
 
 ### 2. CMS plugin
 
-```
+```python
 # cms_plugins.py
 
 from highlighted_content.cms_plugins import HighlightedContentPluginBase