diff --git a/README.md b/README.md
index 8e4a991..2abb7c3 100644
--- a/README.md
+++ b/README.md
@@ -291,21 +291,18 @@ since the same can be easily done using the negative N-th parameter: `<Enter>-=`
 
 ### EasyAlign as Vim operator
 
-You can define an operator function which executes EasyAlign command, so that it
-can be used with a Vim movement.
+With `<Plug>(EasyAlignOperator)` map, EasyAlign command can be used as a Vim
+operator that can be used with any Vim movement.
 
 ```vim
-function! s:easy_align_op(type, ...)
-  '[,']EasyAlign
-endfunction
-nnoremap <silent> <Leader>a :set opfunc=<SID>easy_align_op<Enter>g@
+nmap <leader>a <Plug>(EasyAlignOperator)
 ```
 
-Now without going into visual mode, you can align the lines in the paragraph by
-`<Leader>aip=` or `<Leader>aip:`.
+Now without going into visual mode, you can align the lines in the paragraph
+with `<Leader>aip=`, `<Leader>aip*|`, or `<Leader>aip:`.
 
-Or you can be more specific as follows, so you can do `<Leader>=ip` or
-`<Leader>:ip`.
+Or you can be more specific by defining custom operator functions as follows, so
+you can do `<Leader>=ip` or `<Leader>:ip`.
 
 ```vim
 function! s:easy_align_1st_eq(type, ...)
diff --git a/doc/easy_align.txt b/doc/easy_align.txt
index 4c27f25..8de61fe 100644
--- a/doc/easy_align.txt
+++ b/doc/easy_align.txt
@@ -228,6 +228,18 @@ In blockwise-visual mode (CTRL-V), EasyAlign command aligns only
 the selected text in the block, instead of the whole lines in the range.
 
 
+EasyAlign as Vim operator                     *<Plug>(EasyAlignOperator)*
+-------------------------------------------------------------------------
+
+With `<Plug>(EasyAlignOperator)` map, EasyAlign command can be used as a Vim
+operator that can be used with any Vim movement.
+
+    nmap <leader>a <Plug>(EasyAlignOperator)
+
+Now without going into visual mode, you can align the lines in the paragraph
+with "<Leader>aip=", "<Leader>aip*|", or "<Leader>aip:".
+
+
 Alignment options
 -------------------------------------------------------------------------
 
diff --git a/plugin/easy_align.vim b/plugin/easy_align.vim
index 0334379..66156d3 100644
--- a/plugin/easy_align.vim
+++ b/plugin/easy_align.vim
@@ -28,3 +28,9 @@ let g:loaded_easy_align_plugin = 1
 
 command! -nargs=* -range -bang EasyAlign <line1>,<line2>call easy_align#align('<bang>' == '!', 0, <q-args>)
 command! -nargs=* -range -bang LiveEasyAlign <line1>,<line2>call easy_align#align('<bang>' == '!', 1, <q-args>)
+
+function! s:easy_align_op(type, ...)
+  '[,']EasyAlign
+endfunction
+nnoremap <silent> <Plug>(EasyAlignOperator) :set opfunc=<SID>easy_align_op<Enter>g@
+
diff --git a/test/interactive.vader b/test/interactive.vader
index 8b884b8..4394e58 100644
--- a/test/interactive.vader
+++ b/test/interactive.vader
@@ -19,6 +19,7 @@ Execute (Clean up test environment):
   vnoremap <silent> r<Enter>         :EasyAlign!<Enter>
   vnoremap <silent> <Leader><Enter>  :LiveEasyAlign<Enter>
   vnoremap <silent> <Leader>r<Enter> :LiveEasyAlign!<Enter>
+  nmap <leader>A <Plug>(EasyAlignOperator)
 
 ###########################################################
 
@@ -39,6 +40,15 @@ Expect:
   111  22    333  444 55555 6666 7   88888
   1111 2     33   444 555   66   777 8
 
+Do (left-align using operator map):
+  \<Space>Aip*\<Space>
+
+Expect:
+  1    22222 33   444 555   6666 7   888
+  11   222   3333 4   55    6666 77  888
+  111  22    333  444 55555 6666 7   88888
+  1111 2     33   444 555   66   777 8
+
 Do (right-align):
   vip
   \<Enter>\<Enter>