diff --git a/README.md b/README.md
index fd15360..46063b2 100644
--- a/README.md
+++ b/README.md
@@ -257,6 +257,8 @@ require("oil").setup({
     win_options = {
       winblend = 0,
     },
+    -- optionally override the oil buffers window title with custom function: fun(winid: integer): string
+    get_win_title = nil,
     -- preview_split: Split direction: "auto", "left", "right", "above", "below".
     preview_split = "auto",
     -- This is the config that will be passed to nvim_open_win.
diff --git a/doc/oil.txt b/doc/oil.txt
index 43c52d2..8e96cf4 100644
--- a/doc/oil.txt
+++ b/doc/oil.txt
@@ -142,7 +142,7 @@ CONFIG                                                                *oil-confi
         win_options = {
           winblend = 0,
         },
-        -- optionally override the oil buffers window title with custom function: fun(path: string): string
+        -- optionally override the oil buffers window title with custom function: fun(winid: integer): string
         get_win_title = nil,
         -- preview_split: Split direction: "auto", "left", "right", "above", "below".
         preview_split = "auto",