Changed markup to make questions more visible. Added another answer to a question.

F.A.Q..md

@@ -1,24 +1,20 @@
-> How do I switch between the different windows?
+## How do I switch between the different windows?
 
-Press `Ctrl+ww`.
+Press `<C-W>w`.
 
-> Is there any support for `git` flags?
+## Is there any support for `git` flags?
 
 Yes, install [nerdtree-git-plugin](https://github.com/Xuyuanp/nerdtree-git-plugin).
 
-> Can I have the nerdtree on every tab automatically?
+## Can I have the nerdtree on every tab automatically?
 
-Nope. If this is something you want then chances are you aren't using tabs and
+Nope. If this is something you want then chances are you aren't using tabs and buffers as they were intended to be used. Read this http://stackoverflow.com/questions/102384/using-vims-tabs-like-buffers. If you are interested in this behaviour then consider [vim-nerdtree-tabs](https://github.com/jistr/vim-nerdtree-tabs)
-buffers as they were intended to be used. Read this
-http://stackoverflow.com/questions/102384/using-vims-tabs-like-buffers
 
-If you are interested in this behaviour then consider [vim-nerdtree-tabs](https://github.com/jistr/vim-nerdtree-tabs)
+## How can I open a NERDTree automatically when vim starts up?
-
-> How can I open a NERDTree automatically when vim starts up?
 
 Stick this in your vimrc: `autocmd vimenter * NERDTree`
 
-> How can I open a NERDTree automatically when vim starts up if no files were specified?
+## How can I open a NERDTree automatically when vim starts up if no files were specified?
 
 Stick this in your vimrc:
 
@@ -27,32 +23,37 @@ Stick this in your vimrc:
 
 Note: Now start vim with plain `vim`, not `vim .`
 
-> How can I open NERDTree automatically when vim starts up on opening a directory?
+## How can I open NERDTree automatically when vim starts up on opening a directory?
 
     autocmd StdinReadPre * let s:std_in=1
     autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | endif
 
-This window is tab-specific, meaning it's used by all windows in the tab. This trick also prevents NERDTree from hiding when first selecting a file.
+or
 
-> How can I map a specific key or shortcut to open NERDTree?
+    autocmd StdinReadPre * let s:std_in=1
+    autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | wincmd p | ene | exe 'NERDTree' argv()[0] | endif
+    
+The difference between the two is: The first example places the cursor in the empty buffer, while the second example puts it in the NERDTree. This window is tab-specific, meaning it's used by all windows in the tab. This trick also prevents NERDTree from hiding when first selecting a file.
+
+## How can I map a specific key or shortcut to open NERDTree?
 
 Stick this in your vimrc to open NERDTree with `Ctrl+n` (you can set whatever key you want):
 
     map <C-n> :NERDTreeToggle<CR>
 
-> How can I close vim if the only window left open is a NERDTree?
+## How can I close vim if the only window left open is a NERDTree?
 
 Stick this in your vimrc:
 
-    autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
+    autocmd BufEnter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
 
-> Can I have different highlighting for different file extensions?
+## Can I have different highlighting for different file extensions?
 
-See here: https://github.com/scrooloose/nerdtree/issues/433#issuecomment-92590696
+See here: https://github.com/scrooloose/nerdtree/issues/433#issuecomment-92590696 or https://github.com/tiagofumo/vim-nerdtree-syntax-highlight, referenced in the comment.
 
-> How can I change default arrows?
+## How can I change default arrows?
 
-Use these variables in your vimrc. Note that below are default arrow symbols
+Use these variables in your vimrc. Note that below are default arrow symbols.
 
     let g:NERDTreeDirArrowExpandable = '▸'
     let g:NERDTreeDirArrowCollapsible = '▾'