diff --git a/Documentation.md b/Documentation.md
index 3b46229..bb0d5ce 100644
--- a/Documentation.md
+++ b/Documentation.md
@@ -1,41 +1,19 @@
 # ![](https://camo.githubusercontent.com/021b5e7aad9023c712ef4822031ba3107549e80a/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f72656c656173652f43727970746f2d4e6f74657061642f43727970746f2d4e6f74657061642e737667)
 This guide is most complete. If you still have any questions or suggestions, please contact me of any convenient for you way.
 
-## Hotkeys
+## Password generator
+### How to open
+* From the main menu: **Tools > Password Generator**.
+* By using hotkey: **Ctrl+P**.
+* From **Enter Key** or **Change Key** window, by pressing the button ![button](https://i.imgur.com/r9T804i.png)
 
-### Action with files ###
+### Description
+After opening the window, 11 passwords are automatically generated. You can generate password manually by clicking to **Generate** button. For the deleting all generated password you can click to the **Clear** button.
 
-| Shortcut | Description |
-| ------ | ------ |
-| Ctrl + N | Create new file |
-| Ctrl + O | Open new file |
-| Ctrl + S | Save opened file |
-| Ctrl + Shift + S | Save opened file with location choosing |
-| Alt+ Shift + S | Save & Close opened file, without closing the app |
+### Prerequisites for generating a password
+* Password length must be between **8** and **128** characters long.
+* At least one character type must be selected.
 
-### App hotkeys ###
-| Shortcut | Description |
-| ------ | ------ |
-| F1 | Open documentation|
-| Ctrl + Q | Exit app |
-| Ctrl + Alt + K | Open change key window |
-| Ctrl + L | Lock current file|
-| Ctrl + Alt + S | Open settings window|
-| Ctrl + F | Open search panel |
-| Ctrl + T | Always on Top |
-| Ctrl + P | Password Generator |
-
-### Editor hotkeys ###
-| Shortcut | Description |
-| ------ | ------ |
-| Ctrl + Z | Undo changes |
-| Ctrl + Y | Redo changes |
-| Ctrl + X | Cut selected text|
-| Ctrl + C | Copy selected text|
-| Ctrl + V | Paste text from clipboard |
-| Del | Delete selected text |
-| Ctrl + A | Select all text |
-| Ctrl + Del | Clear editor content |
 
 ## Links detection
 ### Patterns
@@ -117,6 +95,42 @@ All setting are stored in `CryptoNotepad.settings` file. It's created after firs
 | Associate with *.cnp files | Associate app with the *.cnp files |
 | Show in "Send to" menu | Add app shortcut in "Send to" context menu |
 
+## Hotkeys
+
+### Action with files ###
+
+| Shortcut | Description |
+| ------ | ------ |
+| Ctrl + N | Create new file |
+| Ctrl + O | Open new file |
+| Ctrl + S | Save opened file |
+| Ctrl + Shift + S | Save opened file with location choosing |
+| Alt+ Shift + S | Save & Close opened file, without closing the app |
+
+### App hotkeys ###
+| Shortcut | Description |
+| ------ | ------ |
+| F1 | Open documentation|
+| Ctrl + Q | Exit app |
+| Ctrl + Alt + K | Open change key window |
+| Ctrl + L | Lock current file|
+| Ctrl + Alt + S | Open settings window|
+| Ctrl + F | Open search panel |
+| Ctrl + T | Always on Top |
+| Ctrl + P | Password Generator |
+
+### Editor hotkeys ###
+| Shortcut | Description |
+| ------ | ------ |
+| Ctrl + Z | Undo changes |
+| Ctrl + Y | Redo changes |
+| Ctrl + X | Cut selected text|
+| Ctrl + C | Copy selected text|
+| Ctrl + V | Paste text from clipboard |
+| Del | Delete selected text |
+| Ctrl + A | Select all text |
+| Ctrl + Del | Clear editor content |
+
 ## FAQ
 * `What encryption values I need to use?`
 <br>Any value you want.  I can recommend to use these values  - **Hash algorithm:** SHA256/SHA384/SHA512, **Key size:** 256, **Password iterations:** more than 2000000
@@ -134,7 +148,4 @@ All setting are stored in `CryptoNotepad.settings` file. It's created after firs
 ![main window](https://i.imgur.com/nv4vblA.png)<br>
 ![settings window](https://i.imgur.com/Ay3cWD6.png)<br>
 ![change key window](https://i.imgur.com/qCZ3oE0.png)
-![enter key window](https://i.imgur.com/TJain17.png)<br>
-![about window](https://i.imgur.com/6kaMQFq.png)
-
-
+![enter key window](https://i.imgur.com/TJain17.png)<br>
\ No newline at end of file