diff --git a/README.md b/README.md
index de3fd54..4d6f65d 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ variant `:EasyAlign!`) in the visual mode.
 
 | Mode                      | Command                                          |
 | ------------------------- | ------------------------------------------------ |
-| Interactive mode          | `:EasyAlign[!]`                                  |
+| Interactive mode          | `:EasyAlign[!] [OPTIONS]`                        |
 | Using predefined rules    | `:EasyAlign[!] [FIELD#] DELIMITER_KEY [OPTIONS]` |
 | Using regular expressions | `:EasyAlign[!] [FIELD#] /REGEXP/ [OPTIONS]`      |
 
@@ -61,6 +61,8 @@ your `.vimrc`.
 vnoremap <silent> <Enter> :EasyAlign<cr>
 ```
 
+(Of course you can use any key combination as the trigger. e.g. `<Leader>a`)
+
 With the mapping, you can align selected lines of text with only a few keystrokes.
 
 1. `<Enter>` key to start interactive EasyAlign command
diff --git a/autoload/easy_align.vim b/autoload/easy_align.vim
index 6b21831..abd13c5 100644
--- a/autoload/easy_align.vim
+++ b/autoload/easy_align.vim
@@ -544,7 +544,9 @@ function! easy_align#align(bang, expr) range
       let [mode, n, ch] = s:interactive(copy(modes))
     else
       let [n, ch, option, regexp] = s:parse_args(a:expr)
-      if empty(ch)
+      if empty(n) && empty(ch)
+        let [mode, n, ch] = s:interactive(copy(modes))
+      elseif empty(ch)
         " Try swapping n and ch
         let [n, ch] = ['', n]
       endif
diff --git a/doc/easy_align.txt b/doc/easy_align.txt
index 2928432..822fea4 100644
--- a/doc/easy_align.txt
+++ b/doc/easy_align.txt
@@ -18,7 +18,7 @@ vim-easy-align defines `:EasyAlign` command in the visual mode.
 
 | Mode                      | Command                                        |
 | ------------------------- | ---------------------------------------------- |
-| Interactive mode          | :EasyAlign[!]                                  |
+| Interactive mode          | :EasyAlign[!] [OPTIONS]                        |
 | Using predefined rules    | :EasyAlign[!] [FIELD#] DELIMITER_KEY [OPTIONS] |
 | Using regular expressions | :EasyAlign[!] [FIELD#] /REGEXP/ [OPTIONS]      |