change opened buffers keymap and fix replace selection

after/plugin/remap.lua

@@ -29,7 +29,7 @@ vim.keymap.set("n", "<leader>ru",
     [[:%s/\<<C-r><C-w>\>/<C-r><C-w>/gI<Left><Left><Left>]],
     { desc = "[R]eplace word [U]nder cursor" })
 vim.keymap.set("x", "<leader>r",
-    [["hy:%s/\<C-r>h/<C-r>h/gI<Left><Left><Left>]],
+    [["hy:%s/<C-r>h/<C-r>h/gI<Left><Left><Left>]],
     { desc = "[R]eplace selection" })
 
 vim.keymap.set("n", "S", ":w<cr>")

after/plugin/telescope.lua

@@ -23,6 +23,6 @@ vim.keymap.set('n', '<leader>sA',
 vim.keymap.set('n', '<leader>sk', telescope_builtin.keymaps,
     { desc = '[S]earch [K]eymaps' }
 )
-vim.keymap.set('n', '<leader>o', require('telescope.builtin').buffers,
+vim.keymap.set('n', '<leader><Tab>', require('telescope.builtin').buffers,
-    { desc = '[o] Find existing buffers' }
+    { desc = '[Tab] Find existing buffers' }
 )