diff --git a/.vimrc b/.vimrc
index fcc6bc9..17dccc8 100644
--- a/.vimrc
+++ b/.vimrc
@@ -157,10 +157,10 @@ let g:ycm_seed_identifiers_with_syntax = 1
 let g:ycm_complete_in_comments = 1 
 let g:ycm_complete_in_strings = 1 
 "let g:ycm_cache_omnifunc = 0 
-let mapleader = "f"
-nnoremap <leader>o :YcmCompleter GoToInclude<CR>
+let mapleader = ","
 nnoremap <leader>u :YcmCompleter GoToDeclaration<CR>
 nnoremap <leader>i :YcmCompleter GoToDefinition<CR>
+nnoremap <leader>o :YcmCompleter GoToInclude<CR>
 nmap <F5> :YcmDiags<CR>
 
 " a.vim: .h -> .cpp or .cpp -> .h
diff --git a/README.md b/README.md
index 39c672b..230a77f 100644
--- a/README.md
+++ b/README.md
@@ -95,9 +95,9 @@ Shortcuts
  - Display functions, global variables, macro definitions `<F4>`
  - Display static code analysis `<F5>`
  - .h .cpp file quickly switch `<F2>`
- - Go to declaration `<f + u>`
- - Go to definition `<f + i>`
- - Open the include file `<f + o>`
+ - Go to declaration `<, + u>`
+ - Go to definition `<, + i>`
+ - Open the include file `<, + o>`
  - Buffer switch `<Ctrl + P/Ctrl + N>`
  - Cursor position switch `<Ctrl + O/Ctrl + I>`
  - Fuzzy Find File `<Ctrl + f>`