diff --git a/README.md b/README.md
index 7187d64f0..8b7b2cc8e 100644
--- a/README.md
+++ b/README.md
@@ -117,11 +117,9 @@ Valid environment variables for the .env file. See [.env.example](/.env.example)
 - `OIDC_SUCCESS_URL` [string] _Optional_ SciCat Frontend auth-callback URL. Required in order to pass user credentials to SciCat Frontend after OIDC login. Example: https://myscicatfrontend/auth-callback
 - `OIDC_ACCESS_GROUPS` [string] _Optional_ Functionality is still unclear.
 - `OIDC_ACCESS_GROUPS_PROPERTY` [string] _Optional_ Target field to get the access groups value from OIDC response.
-- `OIDC_USERINFO_MAPPING_FIELD_USERNAME` [string] _Optional_ comma-separated list. Specifies the fields from the OIDC response to concatenate and use as the user's profile username. For example, setting `OIDC_USERINFO_MAPPING_FIELD_USERNAME="iss, sub"` combines the iss (issuer) and sub (subject) values from the OIDC response, resulting in a username like `myIssuer_myUserName`. This allows for customizable username definitions based on OIDC response attributes.
-- `OIDC_USERINFO_MAPPING_FIELD_DISPLAYNAME` [string] _Optional_ Specifies the fields from the OIDC response and use as the user's profile displayname. For example, setting `OIDC_USERINFO_MAPPING_FIELD_DISPLAYNAME="preferred_username"` use displayName value from the OIDC response, resulting in a displayname like `myPreferredName`. This allows for customizable displayname definitions based on OIDC response attributes.
+- `OIDC_USERINFO_MAPPING_FIELD_USERNAME` [string] _Optional_ comma-separated list. Specifies the fields from the OIDC response to concatenate and use as the user's profile username. For example, setting `OIDC_USERINFO_MAPPING_FIELD_USERNAME="iss, sub"` combines the iss (issuer) and sub (subject) values from the OIDC response, resulting in a username like `myIssuer_myUserName`. This allows for customizable username definitions based on OIDC response attributes. Defaults to "preferred_username" || "name"
+- `OIDC_USERINFO_MAPPING_FIELD_DISPLAYNAME` [string] _Optional_ Specifies the fields from the OIDC response and use as the user's profile displayname. For example, setting `OIDC_USERINFO_MAPPING_FIELD_DISPLAYNAME="preferred_username"` use displayName value from the OIDC response, resulting in a displayname like `myPreferredName`. This allows for customizable displayname definitions based on OIDC response attributes. Defaults to "name"
 - `OIDC_USERINFO_MAPPING_FIELD_EMAIL` [string] _Optional_ Same as `OIDC_USERINFO_MAPPING_FIELD_DISPLAYNAME`. Defaults to "email"
-- `OIDC_USERINFO_MAPPING_FIELD_DISPLAYNAME` [string] _Optional_ Same as `OIDC_USERINFO_MAPPING_FIELD_DISPLAYNAME`. Defaults to "name"
-- `OIDC_USERINFO_MAPPING_FIELD_USERNAME` [string] _Optional_ Same as `OIDC_USERINFO_MAPPING_FIELD_DISPLAYNAME`. Defaults to "preferred_username" || "name"
 - `OIDC_USERINFO_MAPPING_FIELD_FAMILYNAME` [string] _Optional_ Same as `OIDC_USERINFO_MAPPING_FIELD_DISPLAYNAME`. Defaults to "family_name"
 - `OIDC_USERINFO_MAPPING_FIELD_ID` [string] _Optional_ Same as `OIDC_USERINFO_MAPPING_FIELD_DISPLAYNAME`. Defaults to "sub" || "user_id"
 - `OIDC_USERINFO_MAPPING_FIELD_THUMBNAILPHOTO` [string] _Optional_ Same as `OIDC_USERINFO_MAPPING_FIELD_DISPLAYNAME`. Defaults to "thumbnailPhoto"