diff --git a/home/base/desktop/editors/emacs/README.md b/home/base/desktop/editors/emacs/README.md
index 9bda8664..61559337 100644
--- a/home/base/desktop/editors/emacs/README.md
+++ b/home/base/desktop/editors/emacs/README.md
@@ -29,6 +29,13 @@ when in doubt, run `doom sync`!
 2. Better support for Lisp-like Languages.
 3. Org Mode
 
+## Structured editing of S-expression data
+
+- [ParEdit](https://www.emacswiki.org/emacs/ParEdit)
+- [lispy](https://github.com/doomemacs/doomemacs/tree/master/modules/editor/lispy)
+- [parinfer](https://github.com/doomemacs/doomemacs/tree/master/modules/editor/parinfer)
+- Formatting: `M-x pp-buffer`
+
 ## Terminal Related
 
 zellij provides a more powerful and stable terminal experience, so here is zellij's terminal shortcuts I use frequently now:
@@ -87,20 +94,23 @@ The same as neovim/vim:
 
 ## Editing and Formatting
 
-| Action                                   | Shortcut            |
-| ---------------------------------------- | ------------------- |
-| Format Document                          | `<Space> + cf`      |
-| Code Actions                             | `<Space> + ca`      |
-| Rename                                   | `<Space> + cr`      |
-| Opening LSP symbols                      | `<Space> + cS`      |
-| Show all LSP Errors                      | `<Space> + c + x/X` |
-| Jump to Definition                       |  `gd` |
-| Jump to References                       |  `gD` |
-| (Un)Comment the selected context         | `gc`                |
-| (Un)Comment the current line             | `gcc`               |
-| Open filepath/URL at cursor              | `gf`                |
-| Find files by keyword in path            | `<Space> + <Space>` |
-| Grep string in files (vertico + ripgrep) | `<Space> + sd`      |
+| Action                                     | Shortcut            |
+| ------------------------------------------ | ------------------- |
+| Format Document                            | `<Space> + cf`      |
+| Code Actions                               | `<Space> + ca`      |
+| Rename                                     | `<Space> + cr`      |
+| Opening LSP symbols                        | `<Space> + cS`      |
+| Show all LSP Errors                        | `<Space> + c + x/X` |
+| Show infinite undo history(really useful!) | `<Space> + s + u`   |
+| Fold the current code block                | `zc`                |
+| Unfold the current code block              | `zo`                |
+| Jump to Definition                         | `gd`                |
+| Jump to References                         | `gD`                |
+| (Un)Comment the selected context           | `gc`                |
+| (Un)Comment the current line               | `gcc`               |
+| Open filepath/URL at cursor                | `gf`                |
+| Find files by keyword in path              | `<Space> + <Space>` |
+| Grep string in files (vertico + ripgrep)   | `<Space> + sd`      |
 
 ## Text Manipulation
 
diff --git a/home/base/desktop/editors/emacs/doom/init.el b/home/base/desktop/editors/emacs/doom/init.el
index f3c7d0c2..08b92fd2 100644
--- a/home/base/desktop/editors/emacs/doom/init.el
+++ b/home/base/desktop/editors/emacs/doom/init.el
@@ -59,7 +59,7 @@
        (format +onsave)
                                         ; automated prettiness
        ;;lispy             ; vim for lisp, for people who don't like vim
-       ;;multiple-cursors  ; editing in many places at once
+       multiple-cursors  ; editing in many places at once
        ;;objed             ; text object editing for the innocent
        ;;parinfer          ; turn lisp into python, sort of
        ;;rotate-text       ; cycle region at point between text candidates
@@ -89,7 +89,7 @@
        ;;ansible
        ;;biblio            ; Writes a PhD for you (citation needed)
        ;;collab            ; buffers with friends
-       ;; debugger          ; FIXME stepping through code, to help you add bugs
+       ;;debugger          ; FIXME stepping through code, to help you add bugs
        ;;direnv
        (docker +lsp)
        editorconfig      ; let someone else argue about tabs vs spaces
@@ -105,7 +105,6 @@
        ;;prodigy           ; FIXME managing external services & code builders
        (terraform +lsp)
                                         ; infrastructure as code
-       ;;tmux              ; an API for interacting with tmux
        tree-sitter                    ; syntax and parsing, sitting in a tree...
        ;;upload            ; map local to remote projects via ssh/ftp