diff --git a/aqt/browser.py b/aqt/browser.py
index c2aa42562..9987a65fa 100644
--- a/aqt/browser.py
+++ b/aqt/browser.py
@@ -500,7 +500,7 @@ class Browser(QMainWindow):
         type = self.model.activeCols[idx]
         noSort = ("question", "answer", "template", "group")
         if type in noSort:
-            showInfo(_("Please choose a different column to sort on."))
+            showInfo(_("Please choose a different column to sort by."))
             type = self.deck.conf['sortType']
         if self.deck.conf['sortType'] != type:
             self.deck.conf['sortType'] = type
diff --git a/aqt/utils.py b/aqt/utils.py
index a7a428dfc..237f7e588 100644
--- a/aqt/utils.py
+++ b/aqt/utils.py
@@ -182,6 +182,7 @@ def chooseList(prompt, choices, startrow=0, parent=None):
     if not parent:
         parent = aqt.mw.app.activeWindow()
     d = QDialog(parent)
+    d.setWindowModality(Qt.WindowModal)
     l = QVBoxLayout()
     d.setLayout(l)
     t = QLabel(prompt)