diff --git a/openlp/core/lib/ui.py b/openlp/core/lib/ui.py
index 965adb053..a1e37abcf 100644
--- a/openlp/core/lib/ui.py
+++ b/openlp/core/lib/ui.py
@@ -295,7 +295,7 @@ def set_case_insensitive_completer(cache, widget):
     Sets a case insensitive text completer for a widget.
 
     :param cache: The list of items to use as suggestions.
-    :param widget: A widget to set the completer (QComboBox or QTextEdit instance)
+    :param widget: A widget to set the completer (QComboBox or QLineEdit instance)
     """
     completer = QtGui.QCompleter(cache)
     completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
diff --git a/tests/functional/openlp_core_lib/test_ui.py b/tests/functional/openlp_core_lib/test_ui.py
index 025b1a638..d48e5d694 100644
--- a/tests/functional/openlp_core_lib/test_ui.py
+++ b/tests/functional/openlp_core_lib/test_ui.py
@@ -170,3 +170,19 @@ class TestUi(TestCase):
         self.assertIsInstance(action.icon(), QtGui.QIcon)
         self.assertEqual('my tooltip', action.toolTip())
         self.assertEqual('my statustip', action.statusTip())
+
+    def test_set_case_insensitive_completer(self):
+        """
+        Test setting a case insensitive completer on a widget
+        """
+        # GIVEN: A QComboBox and a list of completion items
+        line_edit = QtGui.QLineEdit()
+        suggestions = ['one', 'Two', 'THRee', 'FOUR']
+
+        # WHEN: We call the function
+        set_case_insensitive_completer(suggestions, line_edit)
+
+        # THEN: The Combobox should have a completer which is case insensitive
+        completer = line_edit.completer()
+        self.assertIsInstance(completer, QtGui.QCompleter)
+        self.assertEqual(completer.caseSensitivity(), QtCore.Qt.CaseInsensitive)