minor edit

api-entities/topics/get-a-single-topic.md

@@ -3,7 +3,7 @@
 It's easy to get a topic from the API with: `/topics/<entity_id>`. Here's an example:
 
 * Get the topic with the [OpenAlex ID](../../how-to-use-the-api/get-single-entities/#the-openalex-id) `C71924100`:\
- [https://api.openalex.org/topics/T11636](https://api.openalex.org/topics/T11636)
+ [`https://api.openalex.org/topics/T11636`](https://api.openalex.org/topics/T11636)
 
 That will return a [`Topic`](../topics/topic-object.md) object, describing everything OpenAlex knows about the topic with that ID:
 
@@ -24,4 +24,4 @@ You can make up to 50 of these queries at once by [requesting a list of entities
 You can use `select` to limit the fields that are returned in a topic object. More details are [here](../../how-to-use-the-api/get-lists-of-entities/select-fields.md).
 
 * Display only the `id` and `display_name` for a topic object\
- [https://api.openalex.org/topics/T11636?select=id,display\_name](https://api.openalex.org/topics/T11636?select=id,display\_name)
+ [`https://api.openalex.org/topics/T11636?select=id,display\_name`](https://api.openalex.org/topics/T11636?select=id,display\_name)