diff --git a/doc/edgy-group.nvim.txt b/doc/edgy-group.nvim.txt
index 05c8775..c8914f3 100644
--- a/doc/edgy-group.nvim.txt
+++ b/doc/edgy-group.nvim.txt
@@ -131,8 +131,8 @@ API                                                *edgy-group.nvim-usage-api*
     open group with offset relative to the current group.
 - **require(‘edgy-group’).open_group_index(position, index)**
     open group with index relative to the current position.
-- **require(‘edgy-group’).open_groups_by_key(key, toggle?)**
-    open one or multiple groups with this key, with an optional toggle option.
+- **require(‘edgy-group’).open_groups_by_key(key, opts?)**
+    open one or multiple groups with this key, with optional table {position, toggle}.
 - **require(‘edgy-group.stl’).get_statusline(position)**
     get a list of string in statusline format for each group icons with optional
     highlight and click support.