diff --git a/README.md b/README.md
index 80bba625..9977f8d1 100644
--- a/README.md
+++ b/README.md
@@ -163,7 +163,7 @@ of plugins above to learn more.
 
  * `,z` - go to previous buffer (:bp)
  * `,x` - go to next buffer (:bn)
- * `Cmd-j` and `Cmd-k` to move up and down roughly by functions
+ * `Cmd-j` and `Cmd-k` to move up and down roughly by functions (`Alt` in Linux)
  * `Ctrl-o` - Old cursor position - this is a standard mapping but very useful, so included here
  * `Ctrl-i` - opposite of Ctrl-O (again, this is standard)
 
@@ -193,7 +193,7 @@ of plugins above to learn more.
  * `,b` - CtrlP buffer selector - great for jumping to a file you already have open
  * `Cmd-Shift-M` - jump to method - CtrlP tag search within current buffer
  * `,jm` jump to models. Other `,j` mappings: `,jc` for controllers, `,jh` for helpers, etc. If you think of a concept and a letter, we've got you covered.
- * `Cmd-Shift-N` - NERDTree toggle
+ * `Cmd-Shift-N` - NERDTree toggle (`Alt` in Linux)
  * `Ctrl-\` - Show current file in NERDTree
  * `Cmd-Shift-P` - Clear CtrlP cache
 
@@ -201,13 +201,13 @@ of plugins above to learn more.
 
  * Cmd-Space to autocomplete. Tab for snipmate snippets.
  * `,#` `,"` `,'` `,]` `,)` `,}` to surround a word in these common wrappers. the # does #{ruby interpolation}. works in visual mode (thanks @cj). Normally these are done with something like `ysw#`
- * `Cmd-'`, `Cmd-"`, `Cmd-]`, `Cmd-)`, etc to change content inside those surrounding marks. You don't have to be inside them.
+ * `Cmd-'`, `Cmd-"`, `Cmd-]`, `Cmd-)`, etc to change content inside those surrounding marks. You don't have to be inside them (`Alt` in Linux)
  * `,.` to go to last edit location (same as `'.`) because the apostrophe is hard on the pinky
  * `,ci` to change inside any set of quotes/brackets/etc
 
 #### Tabs, Windows, Splits
 
- * Use `Cmd-1` thru `Cmd-9` to switch to a specific tab number (like iTerm and Chrome) - and tabs have been set up to show numbers
+ * Use `Cmd-1` thru `Cmd-9` to switch to a specific tab number (like iTerm and Chrome) - and tabs have been set up to show numbers (`Alt` in Linux)
  * `Ctrl-h,l,j,k` - to move left, right, down, up between splits
  * `Q` - Intelligent Window Killer. Close window `wincmd c` if there are multiple windows to same buffer, or kill the buffer `bwipeout` if this is the last window into it.
  * `vv` - vertical split (`Ctrl-w,v`)
@@ -233,13 +233,13 @@ of plugins above to learn more.
  * `,he` - Html Escape
  * `,hu` - Html Unescape
  * `,hp` - Html Preview (open in Safari)
- * `Cmd-Shift-A` - align things (type a character/expression to align by, works in visual mode or by itself)
+ * `Cmd-Shift-A` - align things (type a character/expression to align by, works in visual mode or by itself) (`Alt` in Linux)
  * `:ColorToggle` - turn on #abc123 color highlighting (useful for css)
  * `:Gitv` - Git log browsers
  * `,hi` - show current Highlight group. if you don't like the color of something, use this, then use `hi! link [groupname] [anothergroupname]` in your vimrc.after to remap the color. You can see available colors using `:hi`
  * `,gt` - Go Tidy - tidy up your html code (works on a visual selection)
- * `:Wrap` - wrap long lines (e.g. when editing markdown files).
- * `Cmd-/` - toggle comments (usually gcc from tComment)
+ * `:Wrap` - wrap long lines (e.g. when editing markdown files)
+ * `Cmd-/` - toggle comments (usually gcc from tComment) (`Alt` in Linux)
  * `gcp` (comment a paragraph)
 
 #### Rails & Ruby
diff --git a/vim/settings/yadr-keymap-linux.vim b/vim/settings/yadr-keymap-linux.vim
index 1804203b..dd6ff864 100644
--- a/vim/settings/yadr-keymap-linux.vim
+++ b/vim/settings/yadr-keymap-linux.vim
@@ -11,14 +11,14 @@
 " a lot of hand movement. Vim to the rescue
 "
 " Now using the middle finger of either hand you can type
-" underscores with Ctrl-k or Ctrl-d, and add Shift
+" underscores with Alt-k or Alt-d, and add Shift
 " to type dashes
-imap <silent> <C-k> _
-imap <silent> <C-d> _
-imap <silent> <C-K> -
-imap <silent> <C-D> -
+imap <silent> <A-k> _
+imap <silent> <A-d> _
+imap <silent> <A-K> -
+imap <silent> <A-D> -
 
-" Change inside various enclosures with Ctrl-" and Ctrl-'
+" Change inside various enclosures with Alt-" and Alt-'
 " The f makes it find the enclosure so you don't have
 " to be standing inside it
 nnoremap <A-'> f'ci'
@@ -29,23 +29,23 @@ nnoremap <A-[> f[ci[
 nnoremap <A-]> f]ci]
 
 " ==== NERD tree
-" Ctrl-Shift-N for nerd tree
-nmap <C-N> :NERDTreeToggle<CR>
+" Alt-Shift-N for nerd tree
+nmap <A-N> :NERDTreeToggle<CR>
 
-" move up/down quickly by using Ctrl-j, Ctrl-k
+" move up/down quickly by using Alt-j, Alt-k
 " which will move us around by functions
-nnoremap <silent> <C-j> }
-nnoremap <silent> <C-k> {
-autocmd FileType ruby map <buffer> <C-j> ]m
-autocmd FileType ruby map <buffer> <C-k> [m
-autocmd FileType rspec map <buffer> <C-j> }
-autocmd FileType rspec map <buffer> <C-k> {
-autocmd FileType javascript map <buffer> <C-k> }
-autocmd FileType javascript map <buffer> <C-j> {
+nnoremap <silent> <A-j> }
+nnoremap <silent> <A-k> {
+autocmd FileType ruby map <buffer> <A-j> ]m
+autocmd FileType ruby map <buffer> <A-k> [m
+autocmd FileType rspec map <buffer> <A-j> }
+autocmd FileType rspec map <buffer> <A-k> {
+autocmd FileType javascript map <buffer> <A-k> }
+autocmd FileType javascript map <buffer> <A-j> {
 
 " Command-/ to toggle comments
-map <C-/> :TComment<CR>
-imap <C-/> <Esc>:TComment<CR>i
+map <A-/> :TComment<CR>
+imap <A-/> <Esc>:TComment<CR>i
 
 " Use Alt- numbers to pick the tab you want
 map <silent> <A-1> :tabn 1<cr>
@@ -73,9 +73,9 @@ nnoremap <C-Right>  <C-w>>
 " ============================
 " Tabularize - alignment
 " ============================
-" Hit Ctrl-Shift-A then type a character you want to align by
-nmap <C-A> :Tabularize /
-vmap <C-A> :Tabularize /
+" Hit Alt-Shift-A then type a character you want to align by
+nmap <A-A> :Tabularize /
+vmap <A-A> :Tabularize /
 
-" Source current file Ctrl-% (good for vim development)
-map <C-%> :so %<CR>
+" Source current file Alt-% (good for vim development)
+map <A-%> :so %<CR>