diff --git a/doc/telescope.txt b/doc/telescope.txt
index 24b1c1f..39530d8 100644
--- a/doc/telescope.txt
+++ b/doc/telescope.txt
@@ -458,6 +458,9 @@ telescope.setup({opts})                                    *telescope.setup()*
           - filesize_limit:   The maximum file size in MB attempted to be previewed.
                               Set to false to attempt to preview any file size.
                               Default: 25
+          - highlight_limit:  The maximum file size in MB attempted to be highlighted.
+                              Set to false to attempt to highlight any file size.
+                              Default: 1
           - timeout:          Timeout the previewer if the preview did not
                               complete within `timeout` milliseconds.
                               Set to false to not timeout preview.