Update keyboard shortcuts modal and doc

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diff --git a/doc/workflow/shortcuts.md b/doc/workflow/shortcuts.md
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+---
+type: reference
+---
+
 # GitLab keyboard shortcuts
 
-You can see GitLab's keyboard shortcuts by using <kbd>shift</kbd> + <kbd>?</kbd>
+GitLab has many useful keyboard shortcuts to make it easier to access different features.
+You can see the quick reference sheet within GitLab itself with <kbd>Shift</kbd> + <kbd>?</kbd>.
 
-## Global Shortcuts
+The [Global Shortcuts](#global-shortcuts) work from any area of GitLab, but you must
+be in specific pages for the other shortcuts to be available, as explained in each
+section below.
 
-| Keyboard Shortcut | Description |
-| ----------------- | ----------- |
-| <kbd>n</kbd> | Main navigation |
-| <kbd>s</kbd> | Focus search |
-| <kbd>f</kbd> | Focus filter |
-| <kbd>p</kbd> + <kbd>b</kbd> | Show/hide the Performance Bar |
-| <kbd>?</kbd> | Show/hide this dialog |
-| <kbd>Cmd</kbd>/<kbd>Ctrl</kbd> + <kbd>Shift</kbd> + <kbd>p</kbd> | Toggle markdown preview |
-| <kbd>↑</kbd> | Edit last comment (when focused on an empty textarea) |
+## Global Shortcuts
 
-## Project Files Browsing
+These shortcuts are available in most areas of GitLab
+
+| Keyboard Shortcut               | Description |
+| ------------------------------- | ----------- |
+| <kbd>?</kbd>                    | Show/hide shortcut reference sheet. |
+| <kbd>Shift</kbd> + <kbd>p</kbd> | Go to your Projects page. |
+| <kbd>Shift</kbd> + <kbd>g</kbd> | Go to your Groups page. |
+| <kbd>Shift</kbd> + <kbd>a</kbd> | Go to your Activity page. |
+| <kbd>Shift</kbd> + <kbd>l</kbd> | Go to your Milestones page. |
+| <kbd>Shift</kbd> + <kbd>s</kbd> | Go to your Snippets page. |
+| <kbd>s</kbd>                    | Put cursor in the issues/merge requests search. |
+| <kbd>Shift</kbd> + <kbd>i</kbd> | Go to your Issues page. |
+| <kbd>Shift</kbd> + <kbd>m</kbd> | Go to your Merge requests page.|
+| <kbd>Shift</kbd> + <kbd>t</kbd> | Go to your To-Do List page. |
+| <kbd>p</kbd> + <kbd>b</kbd>     | Show/hide the Performance Bar. |
+
+Additionally, the following shortcuts are available when editing text in text fields,
+for example comments, replies, or issue and merge request descriptions:
+
+| Keyboard Shortcut                                                      | Description |
+| ---------------------------------------------------------------------- | ----------- |
+| <kbd>↑</kbd>                                                           | Edit your last comment. You must be in a blank text field below a thread, and you must already have at least one comment in the thread. |
+| <kbd>⌘</kbd> (Mac) / <kbd>Ctrl</kbd> + <kbd>Shift</kbd> + <kbd>p</kbd> | Toggle Markdown preview, when editing text in a text field that has **Write** and **Preview** tabs at the top. |
 
-| Keyboard Shortcut | Description |
-| ----------------- | ----------- |
-| <kbd>↑</kbd> | Move selection up |
-| <kbd>↓</kbd> | Move selection down |
-| <kbd>enter</kbd> | Open selection |
+## Project
 
-## Finding Project File
+These shortcuts are available from any page within a project. You must type them
+relatively quickly to work, and they will take you to another page in the project.
+
+| Keyboard Shortcut           | Description |
+| --------------------------- | ----------- |
+| <kbd>g</kbd> + <kbd>p</kbd> | Go to the project home page (**Project > Details**). |
+| <kbd>g</kbd> + <kbd>v</kbd> | Go to the project activity feed (**Project > Activity**). |
+| <kbd>g</kbd> + <kbd>r</kbd> | Go to the project releases list (**Project > Releases**). |
+| <kbd>g</kbd> + <kbd>f</kbd> | Go to the [project files](#project-files) list (**Repository > Files**). |
+| <kbd>t</kbd>                | Go to the project file search page. (**Repository > Files**, click **Find Files**). |
+| <kbd>g</kbd> + <kbd>c</kbd> | Go to the project commits list (**Repository > Commits**). |
+| <kbd>g</kbd> + <kbd>n</kbd> | Go to the [repository graph](#repository-graph) page (**Repository > Graph**). |
+| <kbd>g</kbd> + <kbd>d</kbd> | Go to repository charts (**Repository > Charts**). |
+| <kbd>g</kbd> + <kbd>i</kbd> | Go to the project issues list (**Issues > List**). |
+| <kbd>i</kbd>                | Go to the New Issue page (**Issues**, click **New Issue** ). |
+| <kbd>g</kbd> + <kbd>b</kbd> | Go to the project issue boards list (**Issues > Boards**). |
+| <kbd>g</kbd> + <kbd>m</kbd> | Go to the project merge requests list (**Merge Requests**). |
+| <kbd>g</kbd> + <kbd>j</kbd> | Go to the CI/CD jobs list (**CI/CD > Jobs**). |
+| <kbd>g</kbd> + <kbd>l</kbd> | Go to the project metrics (**Operations > Metrics**). |
+| <kbd>g</kbd> + <kbd>e</kbd> | Go to the project environments (**Operations > Environments**). |
+| <kbd>g</kbd> + <kbd>k</kbd> | Go to the project Kubernetes cluster integration page (**Operations > Kubernetes**). Note that you must have at least [`maintainer` permissions](../user/permissions.md) to access this page. |
+| <kbd>g</kbd> + <kbd>s</kbd> | Go to the project snippets list (**Snippets**). |
+| <kbd>g</kbd> + <kbd>w</kbd> | Go to the project wiki (**Wiki**), if enabled. |
+
+### Issues and Merge Requests
+
+These shortcuts are available when viewing issues and merge requests.
+
+| Keyboard Shortcut            | Description |
+| ---------------------------- | ----------- |
+| <kbd>e</kbd>                 | Edit description. |
+| <kbd>a</kbd>                 | Change assignee. |
+| <kbd>m</kbd>                 | Change milestone. |
+| <kbd>l</kbd>                 | Change label. |
+| <kbd>r</kbd>                 | Start writing a comment. If any text is selected, it will be quoted in the comment. Can't be used to reply within a thread. |
+| <kbd>n</kbd>                 | Move to next unresolved discussion (Merge requests only). |
+| <kbd>p</kbd>                 | Move to previous unresolved discussion (Merge requests only). |
+| <kbd>]</kbd> or <kbd>j</kbd> | Move to next file (Merge requests only). |
+| <kbd>[</kbd> or <kbd>k</kbd> | Move to previous file (Merge requests only). |
+
+### Project Files
+
+These shortcuts are available when browsing the files in a project (navigate to
+**Repository** > **Files**):
 
 | Keyboard Shortcut | Description |
 | ----------------- | ----------- |
-| <kbd>↑</kbd> | Move selection up |
-| <kbd>↓</kbd> | Move selection down |
-| <kbd>enter</kbd> | Open selection |
-| <kbd>esc</kbd> | Go back |
+| <kbd>↑</kbd>      | Move selection up. |
+| <kbd>↓</kbd>      | Move selection down. |
+| <kbd>enter</kbd>  | Open selection. |
+| <kbd>esc</kbd>    | Go back to file list screen (only while searching for files, **Repository > Files** then click on **Find File**). |
+| <kbd>y</kbd>      | Go to file permalink (only while viewing a file). |
 
-## Global Dashboard
+### Web IDE
 
-| Keyboard Shortcut | Description |
-| ----------------- | ----------- |
-| <kbd>Shift</kbd> + <kbd>a</kbd> | Go to the activity feed |
-| <kbd>Shift</kbd> + <kbd>p</kbd> | Go to projects |
-| <kbd>Shift</kbd> + <kbd>i</kbd> | Go to issues |
-| <kbd>Shift</kbd> + <kbd>m</kbd> | Go to merge requests |
-| <kbd>Shift</kbd> + <kbd>t</kbd> | Go to todos |
+These shortcuts are available when editing a file with the [Web IDE](../user/project/web_ide/index.md):
 
-## Project
+| Keyboard Shortcut                                       | Description |
+| ------------------------------------------------------- | ----------- |
+| <kbd>⌘</kbd> (Mac) / <kbd>Ctrl</kbd> + <kbd>p</kbd>     | Search for, and then open another file for editing. |
+| <kbd>⌘</kbd> (Mac) / <kbd>Ctrl</kbd> + <kbd>Enter</kbd> | Commit (when editing the commit message). |
 
-| Keyboard Shortcut | Description |
-| ----------------- | ----------- |
-| <kbd>g</kbd> + <kbd>p</kbd> | Go to the project's home page |
-| <kbd>g</kbd> + <kbd>v</kbd> | Go to the project's activity feed |
-| <kbd>g</kbd> + <kbd>f</kbd> | Go to files |
-| <kbd>g</kbd> + <kbd>c</kbd> | Go to commits |
-| <kbd>g</kbd> + <kbd>j</kbd> | Go to jobs |
-| <kbd>g</kbd> + <kbd>n</kbd> | Go to network graph |
-| <kbd>g</kbd> + <kbd>d</kbd> | Go to repository charts |
-| <kbd>g</kbd> + <kbd>i</kbd> | Go to issues |
-| <kbd>g</kbd> + <kbd>b</kbd> | Go to issue boards |
-| <kbd>g</kbd> + <kbd>m</kbd> | Go to merge requests |
-| <kbd>g</kbd> + <kbd>e</kbd> | Go to environments |
-| <kbd>g</kbd> + <kbd>k</kbd> | Go to kubernetes |
-| <kbd>g</kbd> + <kbd>s</kbd> | Go to snippets |
-| <kbd>g</kbd> + <kbd>w</kbd> | Go to wiki |
-| <kbd>t</kbd> | Go to finding file |
-| <kbd>i</kbd> | New issue |
-
-## Network Graph
+### Repository Graph
 
-| Keyboard Shortcut | Description |
-| ----------------- | ----------- |
-| <kbd>←</kbd> or <kbd>h</kbd> | Scroll left |
-| <kbd>→</kbd> or <kbd>l</kbd> | Scroll right |
-| <kbd>↑</kbd> or <kbd>k</kbd> | Scroll up |
-| <kbd>↓</kbd> or <kbd>j</kbd> | Scroll down |
-| <kbd>Shift</kbd> + <kbd>↑</kbd> or <kbd>Shift</kbd> + <kbd>k</kbd> | Scroll to top |
-| <kbd>Shift</kbd> + <kbd>↓</kbd> or <kbd>Shift</kbd> + <kbd>j</kbd> | Scroll to bottom |
+These shortcuts are available when viewing the project [repository graph](../user/project/repository/index.md#repository-graph)
+page (navigate to **Repository > Graph**):
 
-## Issues and Merge Requests
+| Keyboard Shortcut                                                  | Description |
+| ------------------------------------------------------------------ | ----------- |
+| <kbd>←</kbd> or <kbd>h</kbd>                                       | Scroll left. |
+| <kbd>→</kbd> or <kbd>l</kbd>                                       | Scroll right. |
+| <kbd>↑</kbd> or <kbd>k</kbd>                                       | Scroll up. |
+| <kbd>↓</kbd> or <kbd>j</kbd>                                       | Scroll down. |
+| <kbd>Shift</kbd> + <kbd>↑</kbd> or <kbd>Shift</kbd> + <kbd>k</kbd> | Scroll to top. |
+| <kbd>Shift</kbd> + <kbd>↓</kbd> or <kbd>Shift</kbd> + <kbd>j</kbd> | Scroll to bottom. |
 
-| Keyboard Shortcut | Description |
-| ----------------- | ----------- |
-| <kbd>a</kbd> | Change assignee |
-| <kbd>m</kbd> | Change milestone |
-| <kbd>r</kbd> | Reply (quoting selected text) |
-| <kbd>e</kbd> | Edit issue/merge request |
-| <kbd>l</kbd> | Change label |
-| <kbd>]</kbd> or <kbd>j</kbd> | Move to next file |
-| <kbd>[</kbd> or <kbd>k</kbd> | Move to previous file |
-| <kbd>n</kbd> | Move to next unresolved discussion     |
-| <kbd>p</kbd> | Move to previous unresolved discussion |
+### Wiki pages
 
-## Epics **(ULTIMATE)**
+This shortcut is available when viewing a [wiki page](../user/project/wiki/index.md):
 
 | Keyboard Shortcut | Description |
 | ----------------- | ----------- |
-| <kbd>r</kbd> | Reply (quoting selected text) |
-| <kbd>e</kbd> | Edit description |
-| <kbd>l</kbd> | Change label |
-
-## Wiki pages
+| <kbd>e</kbd>      | Edit wiki page. |
 
-| Keyboard Shortcut | Description |
-| ----------------- | ----------- |
-| <kbd>e</kbd> | Edit wiki page|
+## Epics **(ULTIMATE)**
 
-## Web IDE
+These shortcuts are available when viewing [Epics](../user/group/epics/index.md):
 
 | Keyboard Shortcut | Description |
 | ----------------- | ----------- |
-| <kbd>Cmd</kbd>/<kbd>Ctrl</kbd> + <kbd>p</kbd> | Go to file |
-| <kbd>Cmd</kbd>/<kbd>Ctrl</kbd> + <kbd>Enter</kbd> | Commit (when editing the commit message) |
+| <kbd>r</kbd>      | Start writing a comment. If any text is selected, it will be quoted in the comment. Can't be used to reply within a thread. |
+| <kbd>e</kbd>      | Edit description. |
+| <kbd>l</kbd>      | Change label. |