diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index d304b92..a50dc22 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -609,8 +609,8 @@ nmap <silent> gy <Plug>(coc-type-definition)
 nmap <silent> gi <Plug>(coc-implementation)
 nmap <silent> gr <Plug>(coc-references)
 
-" Use J to show documentation in preview window.
-nnoremap <silent> J :call <SID>show_documentation()<CR>
+" Use K to show documentation in preview window.
+nnoremap <silent> K :call <SID>show_documentation()<CR>
 
 function! s:show_documentation()
   if (index(['vim','help'], &filetype) >= 0)