diff --git a/qt/details_dialog.py b/qt/details_dialog.py
index 75b4abb1..7b3f07d5 100644
--- a/qt/details_dialog.py
+++ b/qt/details_dialog.py
@@ -21,7 +21,6 @@ class DetailsDialog(QDockWidget):
         self.model = app.model.details_panel
         self.setAllowedAreas(Qt.AllDockWidgetAreas)
         self._setupUi()
-        self.update_options()
         # To avoid saving uninitialized geometry on appWillSavePrefs, we track whether our dialog
         # has been shown. If it has, we know that our geometry should be saved.
         self._shown_once = False
@@ -39,6 +38,7 @@ class DetailsDialog(QDockWidget):
     def show(self):
         self._shown_once = True
         super().show()
+        self.update_options()
 
     def update_options(self):
         # This disables the title bar (if we had not set one before already)
@@ -62,7 +62,7 @@ class DetailsDialog(QDockWidget):
 
     # --- Events
     def appWillSavePrefs(self):
-        if self._shown_once:
+        if self._shown_once and self.isFloating():
             self.app.prefs.saveGeometry("DetailsWindowRect", self)
 
     # --- model --> view
diff --git a/qt/preferences_dialog.py b/qt/preferences_dialog.py
index 2603eeb4..95eb1b67 100644
--- a/qt/preferences_dialog.py
+++ b/qt/preferences_dialog.py
@@ -118,14 +118,14 @@ class PreferencesDialogBase(QDialog):
             horizontalWrap([self.fontSizeLabel, self.fontSizeSpinBox, None])
         )
         self._setupAddCheckbox("reference_bold_font",
-                               tr("Bold font for reference."))
+                               tr("Bold font for reference"))
         self.widgetsVLayout.addWidget(self.reference_bold_font)
 
         self._setupAddCheckbox("details_dialog_titlebar_enabled",
                                tr("Details dialog displays a title bar and is dockable"))
         self.widgetsVLayout.addWidget(self.details_dialog_titlebar_enabled)
         self._setupAddCheckbox("details_dialog_vertical_titlebar",
-                               tr("Details dialog displays a vertical title bar."))
+                               tr("Details dialog displays a vertical title bar (Linux only)"))
         self.widgetsVLayout.addWidget(self.details_dialog_vertical_titlebar)
         self.details_dialog_vertical_titlebar.setEnabled(
             self.details_dialog_titlebar_enabled.isChecked())