diff --git a/lua/plugins/completions.lua b/lua/plugins/completions.lua
index 270df4c..aac5c21 100644
--- a/lua/plugins/completions.lua
+++ b/lua/plugins/completions.lua
@@ -232,7 +232,9 @@ return {
         -- TODO: v0.10.0 |vim.lsp.start()| now maps |K| to use
         -- |vim.lsp.buf.hover()| if the server supports it, unless
         -- |'keywordprg'| was customized before calling |vim.lsp.start()|.
-        vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts)
+        vim.keymap.set('n', 'K', function()
+          vim.lsp.buf.hover({ border = 'rounded' })
+        end, opts)
 
         -- Format whole buffer mapping
         vim.keymap.set('n', '<leader>gq', vim.lsp.buf.format, opts)