diff --git a/README.markdown b/README.markdown
index 5debfa9..f4ca860 100644
--- a/README.markdown
+++ b/README.markdown
@@ -91,11 +91,13 @@ Stick this in your vimrc: `autocmd vimenter * NERDTree`
 
 > How can I open a NERDTree automatically when vim starts up if no files were specified?
 
-Stick this in your vimrc
+Stick this in your vimrc:
 
     autocmd StdinReadPre * let s:std_in=1
     autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
 
+Note: Now start vim with plain `vim`, not `vim .`
+
 > 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):