diff --git a/List-of-URL-parameters.md b/List-of-URL-parameters.md
index 6e21a7f..cf9b432 100644
--- a/List-of-URL-parameters.md
+++ b/List-of-URL-parameters.md
@@ -14,17 +14,20 @@ _This list is incomplete. You can help by expanding it._
 | _UI Language_                                | Available locales are also listed [here](https://github.com/omarroth/invidious/blob/0.17.0/src/invidious.cr#L63-L75)                                                                      |
 | `hl=ar`                                      | Arabic                                                                                                                                                                                    |
 | `hl=de`                                      | German                                                                                                                                                                                    |
+| `hl=el`                                      | Greek                                                                                                                                                                                     |
 | `hl=en-US`                                   | English                                                                                                                                                                                   |
 | `hl=eo`                                      | Esperanto                                                                                                                                                                                 |
 | `hl=es`                                      | Spanish                                                                                                                                                                                   |
 | `hl=eu`                                      | Basque                                                                                                                                                                                    |
 | `hl=fr`                                      | French                                                                                                                                                                                    |
+| `hl=is`                                      | Icelandic                                                                                                                                                                                 |
 | `hl=it`                                      | Italian                                                                                                                                                                                   |
 | `hl=nb_NO`                                   | Norwegian Bokmål                                                                                                                                                                          |
 | `hl=nl`                                      | Dutch                                                                                                                                                                                     |
 | `hl=pl`                                      | Polish                                                                                                                                                                                    |
 | `hl=ru`                                      | Russian                                                                                                                                                                                   |
 | `hl=uk`                                      | Ukranian                                                                                                                                                                                  |
+| `hl=zh-CN`                                   | Chinese (traditional)                                                                                                                                                                     |
 | **Player parameters**                        | Available parameters also listed [here](https://github.com/omarroth/invidious/blob/0.17.0/src/invidious/videos.cr#L244)                                                                   |
 | _Annotations_                                | Show legacy annotations, provided by the [Internet Archive](https://archive.org/details/youtubeannotations)                                                                               |
 | `iv_load_policy=1`                           | Show annotations                                                                                                                                                                          |