diff --git a/lua/tiny-inline-diagnostic/diagnostic.lua b/lua/tiny-inline-diagnostic/diagnostic.lua
index 1f4a04c..d12ddc6 100644
--- a/lua/tiny-inline-diagnostic/diagnostic.lua
+++ b/lua/tiny-inline-diagnostic/diagnostic.lua
@@ -102,7 +102,7 @@ local function apply_diagnostics_virtual_texts(opts, event)
 	-- group all_diags by lnum
 	local all_diags_grouped = {}
 	for _, diag in ipairs(diagnostics) do
-		if diag.lnum >= fist_visually_seen_line and diag.lnum <= last_visually_seen_line then
+		if diag.lnum >= fist_visually_seen_line - 1 and diag.lnum <= last_visually_seen_line then
 			if all_diags_grouped[diag.lnum] == nil then
 				all_diags_grouped[diag.lnum] = {}
 			end
@@ -110,6 +110,8 @@ local function apply_diagnostics_virtual_texts(opts, event)
 		end
 	end
 
+	local cursor_line = vim.api.nvim_win_get_cursor(0)[1] - 1
+
 	for lnum, line_diags in pairs(all_diags_grouped) do
 		if line_diags == nil then
 			return
@@ -122,7 +124,6 @@ local function apply_diagnostics_virtual_texts(opts, event)
 
 		local virt_priority = opts.options.virt_texts.priority
 		local virt_lines, offset, need_to_be_under
-		local cursor_line = vim.api.nvim_win_get_cursor(0)[1] - 1
 
 		if opts.options.multiple_diag_under_cursor and lnum == cursor_line then
 			virt_lines, offset, need_to_be_under =
diff --git a/lua/tiny-inline-diagnostic/highlights.lua b/lua/tiny-inline-diagnostic/highlights.lua
index a9fe495..69b2eab 100644
--- a/lua/tiny-inline-diagnostic/highlights.lua
+++ b/lua/tiny-inline-diagnostic/highlights.lua
@@ -10,18 +10,21 @@ local function get_hi(name)
 	return {
 		fg = utils.int_to_hex(hi.fg),
 		bg = utils.int_to_hex(hi.bg),
+		italic = hi.italic,
 	}
 end
 
 --- Function to setup highlights for diagnostics.
 -- @param blend table - The table of blend options, which includes the blend factor.
 -- @param default_hi table - The table of default highlights, which includes the colors for each diagnostic type, the arrow, and the background.
+-- @param italics boolean - Whether to use italics for the diagnostics.
 function M.setup_highlights(blend, default_hi)
 	local colors = {
 		error = get_hi(default_hi.error),
 		warn = get_hi(default_hi.warn),
 		info = get_hi(default_hi.info),
 		hint = get_hi(default_hi.hint),
+		ok = get_hi(default_hi.ok),
 		arrow = get_hi(default_hi.arrow),
 	}
 
@@ -52,10 +55,11 @@ function M.setup_highlights(blend, default_hi)
 	}
 
 	local hi = {
-		TinyInlineDiagnosticVirtualTextError = { bg = blends.error, fg = colors.error.fg },
-		TinyInlineDiagnosticVirtualTextWarn = { bg = blends.warn, fg = colors.warn.fg },
-		TinyInlineDiagnosticVirtualTextInfo = { bg = blends.info, fg = colors.info.fg },
-		TinyInlineDiagnosticVirtualTextHint = { bg = blends.hint, fg = colors.hint.fg },
+		TinyInlineDiagnosticVirtualTextError = { bg = blends.error, fg = colors.error.fg, italic = colors.error.italic },
+		TinyInlineDiagnosticVirtualTextWarn = { bg = blends.warn, fg = colors.warn.fg, italic = colors.warn.italic },
+		TinyInlineDiagnosticVirtualTextInfo = { bg = blends.info, fg = colors.info.fg, italic = colors.info.italic },
+		TinyInlineDiagnosticVirtualTextHint = { bg = blends.hint, fg = colors.hint.fg, italic = colors.hint.italic },
+		TinyInlineDiagnosticVirtualTextOk = { bg = blends.hint, fg = colors.hint.fg, italic = colors.ok.italic },
 
 		TinyInlineDiagnosticVirtualTextArrow = { bg = colors.background, fg = colors.arrow.fg },