diff --git a/README.md b/README.md
index ca12e35..d5bd653 100644
--- a/README.md
+++ b/README.md
@@ -117,7 +117,7 @@ Plug 'https://github.com/junegunn/vim-github-dashboard.git'
 Plug 'SirVer/ultisnips' | Plug 'honza/vim-snippets'
 
 " On-demand loading
-Plug 'preservim/nerdtree', { 'on':  'NERDTreeToggle' }
+Plug 'preservim/nerdtree', { 'on': 'NERDTreeToggle' }
 Plug 'tpope/vim-fireplace', { 'for': 'clojure' }
 
 " Using a non-default branch