diff --git a/autoload/airline/extensions/capslock.vim b/autoload/airline/extensions/capslock.vim
index fe73d8df..81d6df02 100644
--- a/autoload/airline/extensions/capslock.vim
+++ b/autoload/airline/extensions/capslock.vim
@@ -9,7 +9,7 @@ if !exists('*CapsLockStatusline')
 endif
 
 function! airline#extensions#capslock#status()
-  return tolower(CapsLockStatusline()) == '[caps]' ? 'CAPS' : ''
+  return tolower(CapsLockStatusline()) ==# '[caps]' ? get(g:, 'airline#extensions#capslock#symbol', 'CAPS') : ''
 endfunction
 
 function! airline#extensions#capslock#init(ext)
diff --git a/doc/airline.txt b/doc/airline.txt
index dbf5e28a..fc8c512d 100644
--- a/doc/airline.txt
+++ b/doc/airline.txt
@@ -568,6 +568,9 @@ vim-capslock <https://github.com/tpope/vim-capslock>
 * enable/disable vim-capslock integration >
   let g:airline#extensions#capslock#enabled = 1
 
+* change vim-capslock symbol >
+  let g:airline#extensions#capslock#symbol = 'CAPS' (default)
+
 -------------------------------------                    *airline-coc*
 coc <https://github.com/neoclide/coc.nvim>