diff --git a/Multi-Select.md b/Multi-Select.md
index 37f0970..30569cb 100644
--- a/Multi-Select.md
+++ b/Multi-Select.md
@@ -24,7 +24,7 @@
 
 ```cpp
 // Main API
-ImGuiMultiSelectIO*   BeginMultiSelect(ImGuiMultiSelectFlags flags);
+ImGuiMultiSelectIO*   BeginMultiSelect(ImGuiMultiSelectFlags flags, int current_selection_size = -1);
 ImGuiMultiSelectIO*   EndMultiSelect();
 void                  SetNextItemSelectionUserData(ImGuiSelectionUserData selection_user_data);
 ```