diff --git a/openlp/core/ui/servicemanager.py b/openlp/core/ui/servicemanager.py
index a0a198f2d..e2e343f9e 100644
--- a/openlp/core/ui/servicemanager.py
+++ b/openlp/core/ui/servicemanager.py
@@ -216,6 +216,8 @@ class ServiceManager(QtGui.QWidget):
 
     def contextMenu(self, point):
         item = self.ServiceManagerList.itemAt(point)
+        if item is None:
+            return
         if item.parent() is None:
             pos = item.data(0, QtCore.Qt.UserRole).toInt()[0]
         else:
diff --git a/openlp/core/ui/thememanager.py b/openlp/core/ui/thememanager.py
index 5cad41f58..59813a9e7 100644
--- a/openlp/core/ui/thememanager.py
+++ b/openlp/core/ui/thememanager.py
@@ -177,20 +177,20 @@ class ThemeManager(QtGui.QWidget):
             if theme != unicode(item.data(QtCore.Qt.UserRole).toString()):
                 QtGui.QMessageBox.critical(
                     self, self.trUtf8('Error'),
-                    self.trUtf8('You are unable to delete the default theme!'),
+                    self.trUtf8('You are unable to delete the Default Theme.'),
                     QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Ok))
             else:
                 for plugin in self.parent.plugin_manager.plugins:
                     if not plugin.can_delete_theme(theme):
                         QtGui.QMessageBox.critical(
                             self, self.trUtf8('Error'),
-                            self.trUtf8('theme %s is use in %s plugin' % (theme, plugin.name)),
+                            self.trUtf8('Theme %s is use in %s plugin' % (theme, plugin.name)),
                             QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Ok))
                         return
                 if unicode(self.parent.ServiceManagerContents.ThemeComboBox.currentText()) == theme:
                     QtGui.QMessageBox.critical(
                         self, self.trUtf8('Error'),
-                        self.trUtf8('theme %s is use Service Manager' % theme),
+                        self.trUtf8('Theme %s is use by Service Manager' % theme),
                         QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Ok))
                     return
                 self.themelist.remove(theme)
@@ -216,7 +216,7 @@ class ThemeManager(QtGui.QWidget):
         item = self.ThemeListWidget.currentItem()
         if item is None:
             QtGui.QMessageBox.critical(self, self.trUtf8('Error'),
-                self.trUtf8('You have not selected a theme!'),
+                self.trUtf8('You have not selected a theme.'),
                 QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Ok))
             return
         theme = unicode(item.data(QtCore.Qt.UserRole).toString())
@@ -359,7 +359,7 @@ class ThemeManager(QtGui.QWidget):
         except:
             QtGui.QMessageBox.critical(
                 self, self.trUtf8('Error'),
-                self.trUtf8('File is not a valid theme!'),
+                self.trUtf8('File is not a valid theme.'),
                 QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Ok))
             log.exception(u'Importing theme from zip file failed %s' % filename)
         finally:
diff --git a/openlp/plugins/alerts/forms/alerteditform.py b/openlp/plugins/alerts/forms/alerteditform.py
index 62c129508..1aa6cc1f5 100644
--- a/openlp/plugins/alerts/forms/alerteditform.py
+++ b/openlp/plugins/alerts/forms/alerteditform.py
@@ -85,7 +85,7 @@ class AlertEditForm(QtGui.QDialog, Ui_AlertEditDialog):
         if self.AlertLineEdit.text():
             QtGui.QMessageBox.information(self,
                 self.trUtf8('Item selected to Edit'),
-                self.trUtf8('Please Save or Clear seletced item'))
+                self.trUtf8('Please Save or Clear selected item'))
         else:
             self.EditButton.setEnabled(True)
             self.DeleteButton.setEnabled(True)
diff --git a/openlp/plugins/bibles/forms/importwizardform.py b/openlp/plugins/bibles/forms/importwizardform.py
index 742598fdb..03769abcd 100644
--- a/openlp/plugins/bibles/forms/importwizardform.py
+++ b/openlp/plugins/bibles/forms/importwizardform.py
@@ -110,7 +110,7 @@ class ImportWizardForm(QtGui.QWizard, Ui_BibleImportWizard):
                     QtGui.QMessageBox.critical(self,
                         self.trUtf8('Invalid Bible Location'),
                         self.trUtf8('You need to specify a file to import your '
-                            'Bible from!'),
+                            'Bible from.'),
                         QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Ok))
                     self.OSISLocationEdit.setFocus()
                     return False
@@ -119,7 +119,7 @@ class ImportWizardForm(QtGui.QWizard, Ui_BibleImportWizard):
                     QtGui.QMessageBox.critical(self,
                         self.trUtf8('Invalid Books File'),
                         self.trUtf8('You need to specify a file with books of '
-                            'the Bible to use in the import!'),
+                            'the Bible to use in the import.'),
                         QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Ok))
                     self.BooksLocationEdit.setFocus()
                     return False
@@ -127,7 +127,7 @@ class ImportWizardForm(QtGui.QWizard, Ui_BibleImportWizard):
                     QtGui.QMessageBox.critical(self,
                         self.trUtf8('Invalid Verse File'),
                         self.trUtf8('You need to specify a file of Bible '
-                            'verses to import!'),
+                            'verses to import.'),
                         QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Ok))
                     self.CsvVerseLocationEdit.setFocus()
                     return False
@@ -136,7 +136,7 @@ class ImportWizardForm(QtGui.QWizard, Ui_BibleImportWizard):
                     QtGui.QMessageBox.critical(self,
                         self.trUtf8('Invalid OpenSong Bible'),
                         self.trUtf8('You need to specify an OpenSong Bible '
-                            'file to import!'),
+                            'file to import.'),
                         QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Ok))
                     self.OpenSongFileEdit.setFocus()
                     return False
@@ -147,7 +147,7 @@ class ImportWizardForm(QtGui.QWizard, Ui_BibleImportWizard):
                 QtGui.QMessageBox.critical(self,
                     self.trUtf8('Empty Version Name'),
                     self.trUtf8('You need to specify a version name for your '
-                        'Bible!'),
+                        'Bible.'),
                     QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Ok))
                 self.VersionNameEdit.setFocus()
                 return False
diff --git a/openlp/plugins/images/lib/mediaitem.py b/openlp/plugins/images/lib/mediaitem.py
index 75f2fd981..2cde4958c 100644
--- a/openlp/plugins/images/lib/mediaitem.py
+++ b/openlp/plugins/images/lib/mediaitem.py
@@ -101,7 +101,7 @@ class ImageMediaItem(MediaManagerItem):
         self.OverrideCheckBox.setChecked(False)
         self.OverrideCheckBox.setText(self.trUtf8('Override background'))
         self.OverrideCheckBox.setStatusTip(
-            self.trUtf8('Allow background of live slide to be overridden'))
+            self.trUtf8('Allow the background of live slide to be overridden'))
         self.OverrideLayout.addWidget(self.OverrideCheckBox)
         self.OverrideLabel = QtGui.QLabel(self.ImageWidget)
         self.OverrideLabel.setObjectName(u'OverrideLabel')
diff --git a/openlp/plugins/presentations/presentationplugin.py b/openlp/plugins/presentations/presentationplugin.py
index 8353611ab..e39259a36 100644
--- a/openlp/plugins/presentations/presentationplugin.py
+++ b/openlp/plugins/presentations/presentationplugin.py
@@ -111,6 +111,6 @@ class PresentationPlugin(Plugin):
     def about(self):
         about_text = self.trUtf8('<b>Presentation Plugin</b> <br> Delivers '
             'the ability to show presentations using a number of different '
-            'programs.  The choice of available presentation programs is '
+            'programs. The choice of available presentation programs is '
             'available to the user in a drop down box.')
         return about_text