diff --git a/README.md b/README.md
index 2e56a22..e0468fb 100644
--- a/README.md
+++ b/README.md
@@ -15,8 +15,8 @@ Opens GTK MessageDialog
 |Name|Type|Description|Default value|
 |:--:|:--:|:----------|:------:|
 |title|`str`|Dialog caption|*Required*|
-|text|`Tuple[Optional[str], bool] | Optional[str]`|Dialog primary text, str or tuple: `(text, use_markup)`|*Required*|
-|sectext|`Tuple[Optional[str], bool] | Optional[str]`, optional|Dialog secondary text, str or tuple|`None`|
+|text|`Tuple[Optional[str], bool] \| Optional[str]`|Dialog primary text, str or tuple: `(text, use_markup)`|*Required*|
+|sectext|`Tuple[Optional[str], bool] \| Optional[str]`|Dialog secondary text, str or tuple|`None`|
 |btns|`Gtk.ButtonsType`|Dialog buttons|`Gtk.ButtonsType.OK`|
 |msgtype|`Gtk.MessageType`|Dialog message type|`Gtk.MessageType.INFO`|