Correct format for curl

doc/api/epics.md

@@ -245,7 +245,7 @@ POST /groups/:id/epics
 | `parent_id`         | integer/string   | no         | The id of a parent epic (since 11.11) |
 
 ```shell
-curl --header POST "PRIVATE-TOKEN: <your_access_token>" https://gitlab.example.com/api/v4/groups/1/epics?title=Epic&description=Epic%20description
+curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" https://gitlab.example.com/api/v4/groups/1/epics?title=Epic&description=Epic%20description
 ```
 
 Example response:
@@ -320,7 +320,7 @@ PUT /groups/:id/epics/:epic_iid
 | `state_event`       | string           | no         | State event for an epic. Set `close` to close the epic and `reopen` to reopen it (since 11.4) |
 
 ```shell
-curl --header PUT "PRIVATE-TOKEN: <your_access_token>" https://gitlab.example.com/api/v4/groups/1/epics/5?title=New%20Title
+curl --request PUT --header "PRIVATE-TOKEN: <your_access_token>" https://gitlab.example.com/api/v4/groups/1/epics/5?title=New%20Title
 ```
 
 Example response:
@@ -382,7 +382,7 @@ DELETE /groups/:id/epics/:epic_iid
 | `epic_iid`          | integer/string   | yes        | The internal ID of the epic.  |
 
 ```shell
-curl --header DELETE "PRIVATE-TOKEN: <your_access_token>" https://gitlab.example.com/api/v4/groups/1/epics/5
+curl --request DELETE --header "PRIVATE-TOKEN: <your_access_token>" https://gitlab.example.com/api/v4/groups/1/epics/5
 ```
 
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