diff --git a/README.md b/README.md
index 1913f3d..683df7e 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,7 @@ require("artio").setup({
     promptprefix = "", -- prefix for the prompt
     prompt_title = true, -- whether to draw the prompt title
     pointer = "", -- pointer for the selected match
+    marker = "│", -- prefix for marked items
     use_icons = true, -- requires mini.icons
   },
   win = {
diff --git a/doc/artio.txt b/doc/artio.txt
index 441fcf8..13cdf69 100644
--- a/doc/artio.txt
+++ b/doc/artio.txt
@@ -59,6 +59,7 @@ options that change default behavior of the picker.
       promptprefix = "", -- prefix for the prompt
       prompt_title = true, -- whether to draw the prompt title
       pointer = "", -- pointer for the selected match
+      marker = "│", -- prefix for marked items
       use_icons = true, -- requires mini.icons
     },
   }