docs: efl_ui_panes: document last missing part

src/lib/elementary/efl_ui_panes_internal_part.eo

@@ -4,11 +4,11 @@ class Efl.Ui.Panes.Internal.Part (Efl.Ui.Layout.Internal.Part)
    data: Elm_Part_Data;
    methods {
       @property hint_min_allow {
-          [[allow user to set size hints to be respected and ignore combined min size.
+          [[Allow user to set size hints to be respected and ignore combined min size.
             If this flag is set, the minimum size set by @Efl.Gfx.Size.Hint.hint_min.set is respected forcefully. 
           ]]
           values {
-             allow: bool;
+             allow: bool; [[If $true minimum size is forced]]
           }
       }
       @property split_ratio_min {