diff --git a/common/nvim/init.lua b/common/nvim/init.lua
index 81e81b1..82cd983 100644
--- a/common/nvim/init.lua
+++ b/common/nvim/init.lua
@@ -89,6 +89,7 @@ vim.keymap.set('n', '<Esc>', '<cmd>nohlsearch<CR>')
 
 -- Diagnostic keymaps
 vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist, { desc = 'Open diagnostic [Q]uickfix list' })
+vim.keymap.set("n", "<leader>e", vim.diagnostic.open_float, { desc = "Show diagnostic [E]rror messages" })
 
 -- Exit terminal mode in the builtin terminal with a shortcut that is a bit easier
 -- for people to discover. Otherwise, you normally need to press <C-\><C-n>, which