diff --git a/docs/CharaChorder Lite.rst b/docs/CharaChorder Lite.rst
index 2c8617f..14446c4 100644
--- a/docs/CharaChorder Lite.rst	
+++ b/docs/CharaChorder Lite.rst	
@@ -1,2 +1,45 @@
 CharaChorder Lite - UNDER CONSTRUCTION
-=======================================
\ No newline at end of file
+=======================================
+
+Function keys
+-------------
+
++---------------------------------+---------------------------------------------------------------------------+
+| Function                        | Shortcut key                                                              |
++=================================+===========================================================================+
+| .. raw:: html                   | .. raw:: html                                                             |
+|                                 |                                                                           |
+|    <kbd>F1</kbd>-<kbd>F12</kbd> |    <kbd>Fn</kbd> + <kbd>1</kbd>-<kbd>=</kbd>                              |
++---------------------------------+---------------------------------------------------------------------------+
+| .. raw:: html                   | .. raw:: html                                                             |
+|                                 |                                                                           |
+|    <kbd>Page up</kbd>           |    <kbd>Fn</kbd> + <kbd>Up</kbd>                                          |
++---------------------------------+---------------------------------------------------------------------------+
+| .. raw:: html                   | .. raw:: html                                                             |
+|                                 |                                                                           |
+|    <kbd>Page down</kbd>         |    <kbd>Fn</kbd> + <kbd>Down</kbd>                                        |
++---------------------------------+---------------------------------------------------------------------------+
+| .. raw:: html                   | .. raw:: html                                                             |
+|                                 |                                                                           |
+|    <kbd>Home</kbd>              |    <kbd>Fn</kbd> + <kbd>Left</kbd>                                        |
++---------------------------------+---------------------------------------------------------------------------+
+| .. raw:: html                   | .. raw:: html                                                             |
+|                                 |                                                                           |
+|    <kbd>End</kbd>               |    <kbd>Fn</kbd> + <kbd>Right</kbd>                                       |
++---------------------------------+---------------------------------------------------------------------------+
+| .. raw:: html                   | .. raw:: html                                                             |
+|                                 |                                                                           |
+|    <kbd>Print screen</kbd>      |    <kbd>Fn</kbd> + <kbd>P</kbd>                                           |
++---------------------------------+---------------------------------------------------------------------------+
+| .. raw:: html                   | .. raw:: html                                                             |
+|                                 |                                                                           |
+|    <kbd>Scroll lock</kbd>       |    <kbd>Fn</kbd> + <kbd>K</kbd> for CCOS<br/><kbd>Fn</kbd> + <kbd>S</kbd> |
++---------------------------------+---------------------------------------------------------------------------+
+| .. raw:: html                   | .. raw:: html                                                             |
+|                                 |                                                                           |
+|    Tilde (<kbd>~</kbd>)         |    <kbd>Fn</kbd> + <kbd>Shift</kbd> + <kbd>Esc</kbd>                      |
++---------------------------------+---------------------------------------------------------------------------+
+| .. raw:: html                   | .. raw:: html                                                             |
+|                                 |                                                                           |
+|    Backtick (<kbd>`</kbd>)      |    <kbd>Fn</kbd> + <kbd>Esc</kbd>                                         |
++---------------------------------+---------------------------------------------------------------------------+
\ No newline at end of file