diff --git a/plugin/trailing-whitespace.vim b/plugin/trailing-whitespace.vim
index 5688ef4..5edc29b 100644
--- a/plugin/trailing-whitespace.vim
+++ b/plugin/trailing-whitespace.vim
@@ -1,8 +1,12 @@
+if exists('loaded_trailing_whitespace_plugin') | finish | endif
+let loaded_trailing_whitespace_plugin = 1
+
 " Highlight EOL whitespace, http://vim.wikia.com/wiki/Highlight_unwanted_spaces
 highlight ExtraWhitespace ctermbg=darkred guibg=#382424
 autocmd ColorScheme * highlight ExtraWhitespace ctermbg=red guibg=red
 autocmd BufWinEnter * match ExtraWhitespace /\s\+$/
-" the above flashes annoyingly while typing, be calmer in insert mode
+
+" The above flashes annoyingly while typing, be calmer in insert mode
 autocmd InsertLeave * match ExtraWhitespace /\s\+$/
 autocmd InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
 
@@ -12,6 +16,5 @@ function! s:FixWhitespace(line1,line2)
     call setpos('.', l:save_cursor)
 endfunction
 
-" Run :FixWhitespace to remove end of line white space.
+" Run :FixWhitespace to remove end of line white space
 command! -range=% FixWhitespace call <SID>FixWhitespace(<line1>,<line2>)
-