diff --git a/.config/nvim/lua/options.lua b/.config/nvim/lua/options.lua
index 8162946..83fe3b9 100644
--- a/.config/nvim/lua/options.lua
+++ b/.config/nvim/lua/options.lua
@@ -21,8 +21,8 @@ opt.timeoutlen   = 500
 opt.ts           = 4
 -- opt.wrap		 = false
 
--- :FormatJson command using jq
-cmd 'autocmd FileType json :command! FormatJson %!jq .'
+-- :JsonFormat command using jq
+cmd 'autocmd FileType json :command! JsonFormat %!jq .'
 
 -- trigger autoread on file change
 cmd "autocmd FocusGained,BufEnter,CursorHold,CursorHoldI * if mode() != 'c' | checktime | endif"
diff --git a/.config/nvim/lua/plugins.lua b/.config/nvim/lua/plugins.lua
index 245ac44..e0c9374 100644
--- a/.config/nvim/lua/plugins.lua
+++ b/.config/nvim/lua/plugins.lua
@@ -57,6 +57,12 @@ require('packer').startup(function()
 		after = 'vim-vsnip'
 	}
 
+	-- lsp signature
+	use {
+		'ray-x/lsp_signature.nvim',
+		config = function() require('plugins.lspsignature') end
+	}
+
 	-- autopairs
 	use {
 		'windwp/nvim-autopairs',
diff --git a/.config/nvim/lua/plugins/cmp.lua b/.config/nvim/lua/plugins/cmp.lua
index 1008e4e..7e7879f 100644
--- a/.config/nvim/lua/plugins/cmp.lua
+++ b/.config/nvim/lua/plugins/cmp.lua
@@ -15,7 +15,7 @@ cmp.setup({
 		['<C-e>'] = cmp.mapping.close(),
 		['<CR>'] = cmp.mapping.confirm({
 			behavior = cmp.ConfirmBehavior.Replace,
-			select = true
+			select = false
 		})
 	},
 	sources = {
diff --git a/.config/nvim/lua/plugins/colors.lua b/.config/nvim/lua/plugins/colors.lua
index fa0d5f7..1490fd8 100644
--- a/.config/nvim/lua/plugins/colors.lua
+++ b/.config/nvim/lua/plugins/colors.lua
@@ -1,4 +1,6 @@
 -- colorscheme
 vim.cmd 'colorscheme wal'
--- vim.cmd 'colorscheme monokai'
+-- misc colorscheme fixes
 vim.cmd 'highlight Pmenu ctermbg=black'
+vim.cmd 'highlight FloatBorder cterm=none'
+vim.cmd 'highlight NormalFloat cterm=none'
diff --git a/.config/nvim/lua/plugins/lspsignature.lua b/.config/nvim/lua/plugins/lspsignature.lua
new file mode 100644
index 0000000..08c60cb
--- /dev/null
+++ b/.config/nvim/lua/plugins/lspsignature.lua
@@ -0,0 +1,8 @@
+cfg = {
+	hint_prefix = " ",  -- Panda for parameter
+	handler_opts = {
+		border = "single"   -- double, rounded, single, shadow, none
+	},
+}
+
+require "lsp_signature".setup(cfg)