diff --git a/home/.config/nvim/coc.vim b/home/.config/nvim/coc.vim
index d685182..9678931 100644
--- a/home/.config/nvim/coc.vim
+++ b/home/.config/nvim/coc.vim
@@ -156,18 +156,20 @@ command! -nargs=0 OR   :call     CocActionAsync('runCommand', 'editor.action.org
 
 " Mappings for CoCList
 " Show all diagnostics
-nnoremap <silent><nowait> <leader>CA  :<C-u>CocList diagnostics<cr>
+nnoremap <silent><nowait> <leader>ca  :<C-u>CocList diagnostics<cr>
 " Manage extensions
-nnoremap <silent><nowait> <leader>CE  :<C-u>CocList extensions<cr>
+nnoremap <silent><nowait> <leader>ce  :<C-u>CocList extensions<cr>
 " Show commands
-nnoremap <silent><nowait> <leader>CC  :<C-u>CocList commands<cr>
+nnoremap <silent><nowait> <leader>cc  :<C-u>CocList commands<cr>
 " Find symbol of current document
-nnoremap <silent><nowait> <leader>CO  :<C-u>CocList outline<cr>
+nnoremap <silent><nowait> <leader>co  :<C-u>CocList outline<cr>
 " Search workspace symbols
-nnoremap <silent><nowait> <leader>CS  :<C-u>CocList -I symbols<cr>
+nnoremap <silent><nowait> <leader>cs  :<C-u>CocList -I symbols<cr>
 " Do default action for next item
-nnoremap <silent><nowait> <leader>CJ  :<C-u>CocNext<CR>
+nnoremap <silent><nowait> <leader>cj  :<C-u>CocNext<CR>
 " Do default action for previous item
-nnoremap <silent><nowait> <leader>CK  :<C-u>CocPrev<CR>
+nnoremap <silent><nowait> <leader>ck  :<C-u>CocPrev<CR>
 " Resume latest coc list
-nnoremap <silent><nowait> <leader>CP  :<C-u>CocListResume<CR>
+nnoremap <silent><nowait> <leader>cp  :<C-u>CocListResume<CR>
+" reload rust language server
+nnoremap <silent><nowait> <leader>crr  :CocCommand rust-analyzer.reload<CR>
diff --git a/home/.config/nvim/nvim-tree.vim b/home/.config/nvim/nvim-tree.vim
index 6083ee6..d49fb59 100644
--- a/home/.config/nvim/nvim-tree.vim
+++ b/home/.config/nvim/nvim-tree.vim
@@ -21,7 +21,7 @@ local function my_on_attach(bufnr)
     -- however, through magic, the default keys are loaded anyways ONLY IN WSL
     -- I have made a separate branch (wsl) for any such things
     -- just use a proper Linux, if possible
-    api.config.mappings.default_on_attach(bufnr)
+    --api.config.mappings.default_on_attach(bufnr)
 
     -- custom mappings
     -- cd