diff --git a/autoload/airline/init.vim b/autoload/airline/init.vim
index f13b68c9..2fb86c7c 100644
--- a/autoload/airline/init.vim
+++ b/autoload/airline/init.vim
@@ -137,6 +137,7 @@ function! airline#init#bootstrap()
           \ 'dirty': "\u26a1",
           \ 'crypt': nr2char(0x1F512),
           \ }, 'keep')
+    "  Note: If "\u2046" (Ɇ) does not show up, try to use "\u2204" (∄)
   elseif &encoding==?'utf-8' && !get(g:, "airline_symbols_ascii", 0)
     " Symbols for Unicode terminals
     call s:check_defined('g:airline_left_sep', "")
diff --git a/doc/airline.txt b/doc/airline.txt
index a371cd3f..febba2f1 100644
--- a/doc/airline.txt
+++ b/doc/airline.txt
@@ -386,6 +386,7 @@ its contents. >
   let g:airline_symbols.paste = '∥'
   let g:airline_symbols.spell = 'Ꞩ'
   let g:airline_symbols.notexists = 'Ɇ'
+  let g:airline_symbols.notexists = '∄'
   let g:airline_symbols.whitespace = 'Ξ'
 
   " powerline symbols