diff --git a/doc/api/group_access_tokens.md b/doc/api/group_access_tokens.md
index 9234a1169695cb39f996e0b1f1b9dc4db7a9b024..2493dfcc039cc7e91cae91f7d01db293fed2057e 100644
--- a/doc/api/group_access_tokens.md
+++ b/doc/api/group_access_tokens.md
@@ -97,7 +97,7 @@ POST groups/:id/access_tokens
 | `name` | String | yes | Name of the group access token  |
 | `scopes` | `Array[String]` | yes | [List of scopes](../user/group/settings/group_access_tokens.md#scopes-for-a-group-access-token) |
 | `access_level` | Integer | no | Access level. Valid values are `10` (Guest), `20` (Reporter), `30` (Developer), `40` (Maintainer), and `50` (Owner). |
-| `expires_at` | Date    | no | Expiration date of the access token in ISO format (`YYYY-MM-DD`). If no date is set, the expiration is set to the [maximum allowable lifetime of an access token](../user/profile/personal_access_tokens.md#when-personal-access-tokens-expire). |
+| `expires_at` | Date    | yes | Expiration date of the access token in ISO format (`YYYY-MM-DD`). The date cannot be set later than the [maximum allowable lifetime of an access token](../user/profile/personal_access_tokens.md#when-personal-access-tokens-expire). |
 
 ```shell
 curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" \
diff --git a/doc/api/project_access_tokens.md b/doc/api/project_access_tokens.md
index e52804e30daf7993f7e33c9b956b870fc3898b34..36129bf657689454797567c79a40c9b53f8528e8 100644
--- a/doc/api/project_access_tokens.md
+++ b/doc/api/project_access_tokens.md
@@ -106,7 +106,7 @@ POST projects/:id/access_tokens
 | `name` | String | yes | Name of the project access token                                                                                                               |
 | `scopes` | `Array[String]` | yes | [List of scopes](../user/project/settings/project_access_tokens.md#scopes-for-a-project-access-token)                               |
 | `access_level` | Integer | no | Access level. Valid values are `10` (Guest), `20` (Reporter), `30` (Developer), `40` (Maintainer), and `50` (Owner). Defaults to `40`. |
-| `expires_at` | Date    | no | Expiration date of the access token in ISO format (`YYYY-MM-DD`). If no date is set, the expiration is set to the [maximum allowable lifetime of an access token](../user/profile/personal_access_tokens.md#when-personal-access-tokens-expire). |
+| `expires_at` | Date    | yes | Expiration date of the access token in ISO format (`YYYY-MM-DD`). The date cannot be set later than the [maximum allowable lifetime of an access token](../user/profile/personal_access_tokens.md#when-personal-access-tokens-expire). |
 
 ```shell
 curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" \