diff --git a/README.md b/README.md
index a77c5c2..6176b93 100644
--- a/README.md
+++ b/README.md
@@ -54,9 +54,9 @@ WinRAR Keygen supports `ASCII`, `ANSI` and `UTF-8` encoding types, the correspon
 
 | Encoding                                     | Supported Characters                                         | Character Examples                                           |
 | -------------------------------------------- | ------------------------------------------------------------ | ------------------------------------------------------------ |
-| [ASCII](https://en.wikipedia.org/wiki/ASCII) | Only full ASCII characters are supported.                    | <img width="300px" src="assets/ascii-characters-light.svg#gh-light-mode-only"><img width="300px" src="assets/ascii-characters-dark.svg#gh-dark-mode-only"> |
-| ANSI                                         | There is no one fixed ANSI code, usually [Windows-1252](https://en.wikipedia.org/wiki/Windows-1252), but other local codes are also possible. | <img width="300px" src="assets/windows-1252-characters-light.svg#gh-light-mode-only"><img width="300px" src="assets/windows-1252-characters-dark.svg#gh-dark-mode-only"> |
-| [UTF-8](https://en.wikipedia.org/wiki/UTF-8) | Support full UTF8 encoded characters.                        | ASCII characters, English, 简体中文, 繁體中文, Deutsch, Français, 日本語, 한국어, et al. |
+| [ascii](https://en.wikipedia.org/wiki/ASCII) | Only full ASCII characters are supported.                    | <img width="300px" src="assets/ascii-characters-light.svg#gh-light-mode-only"><img width="300px" src="assets/ascii-characters-dark.svg#gh-dark-mode-only"> |
+| ansi                                         | There is no one fixed ANSI code, usually [Windows-1252](https://en.wikipedia.org/wiki/Windows-1252), but other local codes are also possible. | <img width="300px" src="assets/windows-1252-characters-light.svg#gh-light-mode-only"><img width="300px" src="assets/windows-1252-characters-dark.svg#gh-dark-mode-only"> |
+| [utf8](https://en.wikipedia.org/wiki/UTF-8)  | Support full UTF-8 encoded characters.                       | ASCII characters, English, 简体中文, 繁體中文, Deutsch, Français, Русский, Italiano, 日本語, 한국어, Lengua española, Ελληνική γλώσσα, et al. |
 
 ### 3.2 License type
 
diff --git a/README.zh-CN.md b/README.zh-CN.md
index f4b919b..60b8548 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -54,9 +54,9 @@ WinRAR Keygen 支持 `ASCII`、`ANSI` 和 `UTF-8` 三种编码类型，对应支
 
 | 编码                                         | 支持的字符                                                   | 字符示例                                                     |
 | -------------------------------------------- | ------------------------------------------------------------ | ------------------------------------------------------------ |
-| [ASCII](https://en.wikipedia.org/wiki/ASCII) | 仅支持 ASCII 编码字符                                        | <img width="300px" src="assets/ascii-characters-light.svg#gh-light-mode-only"><img width="300px" src="assets/ascii-characters-dark.svg#gh-dark-mode-only"> |
-| ANSI                                         | 没有一种固定的 ANSI 编码，通常是 [Windows-1252](http://en.wikipedia.org/wiki/Windows-1252)，但也可以是其他本地 | <img width="300px" src="assets/windows-1252-characters-light.svg#gh-light-mode-only"><img width="300px" src="assets/windows-1252-characters-dark.svg#gh-dark-mode-only"> |
-| [UTF8](https://en.wikipedia.org/wiki/UTF-8)  | 支持 UTF-8 编码字符                                          | ASCII characters, English, 简体中文, 繁體中文, Deutsch, Français, 日本語, 한국어, et al. |
+| [ascii](https://en.wikipedia.org/wiki/ASCII) | 仅支持 ASCII 编码字符                                        | <img width="300px" src="assets/ascii-characters-light.svg#gh-light-mode-only"><img width="300px" src="assets/ascii-characters-dark.svg#gh-dark-mode-only"> |
+| ansi                                         | 没有一种固定的 ANSI 编码，通常是 [Windows-1252](http://en.wikipedia.org/wiki/Windows-1252)，但也可以是其他本地 | <img width="300px" src="assets/windows-1252-characters-light.svg#gh-light-mode-only"><img width="300px" src="assets/windows-1252-characters-dark.svg#gh-dark-mode-only"> |
+| [utf8](https://en.wikipedia.org/wiki/UTF-8)  | 支持 UTF-8 编码字符                                          | ASCII characters, English, 简体中文, 繁體中文, Deutsch, Français, Русский, Italiano, 日本語, 한국어, Lengua española, Ελληνική γλώσσα 等。 |
 
 ### 3.2 License 类型