REST endpoint /rest/api/2/user documentation is incorrect

{
    "self": "http://www.example.com/jira/rest/api/2/user?username=fred",
    "name": "fred",
    "emailAddress": "fred@example.com",
    "avatarUrls": {
        "48x48": "http://www.example.com/jira/secure/useravatar?size=large&ownerId=fred",
        "24x24": "http://www.example.com/jira/secure/useravatar?size=small&ownerId=fred",
        "16x16": "http://www.example.com/jira/secure/useravatar?size=xsmall&ownerId=fred",
        "32x32": "http://www.example.com/jira/secure/useravatar?size=medium&ownerId=fred"
    },
    "displayName": "Fred F. User",
    "active": true,
    "timeZone": "Australia/Sydney",
    "groups": {
        "size": 3,
        "items": [
            {
                "name": "jira-user",
                "self": "http://www.example.com/jira/rest/api/2/group?groupname=jira-user"
            },
            {
                "name": "jira-admin",
                "self": "http://www.example.com/jira/rest/api/2/group?groupname=jira-admin"
            },
            {
                "name": "important",
                "self": "http://www.example.com/jira/rest/api/2/group?groupname=important"
            }
        ]
    },
    "expand": "groups"
}

{
    "active": true,
    "avatarUrls": {
        "16x16": "http://quicksilver:8080/jira/secure/useravatar?size=xsmall&avatarId=10122",
        "24x24": "http://quicksilver:8080/jira/secure/useravatar?size=small&avatarId=10122",
        "32x32": "http://quicksilver:8080/jira/secure/useravatar?size=medium&avatarId=10122",
        "48x48": "http://quicksilver:8080/jira/secure/useravatar?avatarId=10122"
    },
    "displayName": "Matheus Fernandes",
    "emailAddress": "mfernandes@atlassian.com",
    "expand": "groups",
    "groups": {
        "items": [],
        "size": 7
    },
    "key": "matheus",
    "locale": "en_US",
    "name": "matheus",
    "self": "http://quicksilver:8080/jira/rest/api/2/user?username=matheus",
    "timeZone": "Brazil/East"
}