diff --git a/src/calibre/gui2/actions/polish.py b/src/calibre/gui2/actions/polish.py
index a712bb532b..f6ea656863 100644
--- a/src/calibre/gui2/actions/polish.py
+++ b/src/calibre/gui2/actions/polish.py
@@ -87,7 +87,7 @@ class Polish(QDialog):  # {{{
             ('jacket', _('Add/replace metadata as a "book &jacket" page')),
             ('remove_jacket', _('&Remove a previously inserted book jacket')),
             ('remove_unused_css', _('Remove &unused CSS rules from the book')),
-            ('compress_images', _('Losslessly compress images')),
+            ('compress_images', _('Losslessly &compress images')),
         ])
         prefs = gprefs.get('polishing_settings', {})
         for name, text in self.all_actions.iteritems():
diff --git a/src/calibre/gui2/dialogs/scheduler.py b/src/calibre/gui2/dialogs/scheduler.py
index f892a4cc5e..dd5b54440d 100644
--- a/src/calibre/gui2/dialogs/scheduler.py
+++ b/src/calibre/gui2/dialogs/scheduler.py
@@ -597,7 +597,7 @@ class Scheduler(QObject):
         self.scheduler_action = QAction(QIcon(I('scheduler.png')), _('Schedule news download'), self)
         self.news_menu.addAction(self.scheduler_action)
         self.scheduler_action.triggered[bool].connect(self.show_dialog)
-        self.cac = QAction(QIcon(I('user_profile.png')), _('Add a custom news source'), self)
+        self.cac = QAction(QIcon(I('user_profile.png')), _('Add or edit a custom news source'), self)
         self.cac.triggered[bool].connect(self.customize_feeds)
         self.news_menu.addAction(self.cac)
         self.news_menu.addSeparator()
@@ -734,10 +734,10 @@ class Scheduler(QObject):
                 # No internet connection, we will try again in a minute
                 break
 
+
 if __name__ == '__main__':
     from PyQt5.Qt import QApplication
     app = QApplication([])
     d = SchedulerDialog(RecipeModel())
     d.exec_()
     del app
-
diff --git a/src/calibre/gui2/preferences/texture_chooser.py b/src/calibre/gui2/preferences/texture_chooser.py
index 0b8624888f..bf50e95ac6 100644
--- a/src/calibre/gui2/preferences/texture_chooser.py
+++ b/src/calibre/gui2/preferences/texture_chooser.py
@@ -108,7 +108,7 @@ class TextureChooser(QDialog):
         return self.selected_fname
 
     def add_texture(self):
-        path = choose_files(self, 'choose-texture-image', _('Choose Image'),
+        path = choose_files(self, 'choose-texture-image', _('Choose image'),
                             filters=[(_('Images'), ['jpeg', 'jpg', 'png'])], all_files=False, select_only_single_file=True)
         if not path:
             return
diff --git a/src/calibre/gui2/tweak_book/editor/insert_resource.py b/src/calibre/gui2/tweak_book/editor/insert_resource.py
index c67dae9eb6..add4a63e16 100644
--- a/src/calibre/gui2/tweak_book/editor/insert_resource.py
+++ b/src/calibre/gui2/tweak_book/editor/insert_resource.py
@@ -272,7 +272,7 @@ class InsertImage(Dialog):
         self.model.refresh()
 
     def import_image(self):
-        path = choose_files(self, 'tweak-book-choose-image-for-import', _('Choose Image'),
+        path = choose_files(self, 'tweak-book-choose-image-for-import', _('Choose image'),
                             filters=[(_('Images'), ('jpg', 'jpeg', 'png', 'gif', 'svg'))], all_files=True, select_only_single_file=True)
         if path:
             path = path[0]
diff --git a/src/calibre/gui2/ui.py b/src/calibre/gui2/ui.py
index 68d4891f73..90eb776848 100644
--- a/src/calibre/gui2/ui.py
+++ b/src/calibre/gui2/ui.py
@@ -775,7 +775,7 @@ class Main(MainWindow, MainWindowMixin, DeviceMixin, EmailMixin,  # {{{
                 files that are large undifferentiated blocks of text, this
                 splitting fails.
                 <p>You can <b>work around the problem</b> by either increasing the
-                maximum split size under EPUB Output in the conversion dialog,
+                maximum split size under <i>EPUB output</i> in the conversion dialog,
                 or by turning on Heuristic Processing, also in the conversion
                 dialog. Note that if you make the maximum split size too large,
                 your e-book reader may have trouble with the EPUB.
diff --git a/src/calibre/gui2/viewer/image_popup.py b/src/calibre/gui2/viewer/image_popup.py
index fde16842b9..19ecbed6ff 100644
--- a/src/calibre/gui2/viewer/image_popup.py
+++ b/src/calibre/gui2/viewer/image_popup.py
@@ -125,7 +125,7 @@ class ImageView(QDialog):
             self.current_image_name = unicode(self.current_url.toString(NO_URL_FORMATTING)).rpartition('/')[-1]
         except AttributeError:
             self.current_image_name = self.current_url
-        title = _('View Image: %s')%self.current_image_name
+        title = _('View image: %s')%self.current_image_name
         self.setWindowTitle(title)
         if use_exec:
             self.exec_()
diff --git a/src/calibre/gui2/viewer/printing.py b/src/calibre/gui2/viewer/printing.py
index d2b66bdbae..7ce0f83ade 100644
--- a/src/calibre/gui2/viewer/printing.py
+++ b/src/calibre/gui2/viewer/printing.py
@@ -80,7 +80,7 @@ class PrintDialog(Dialog):
         pnum.setChecked(vprefs.get('print-to-pdf-page-numbers', True))
         l.addRow(pnum)
 
-        self.show_file = sf = QCheckBox(_('Open PDF file after printing'), self)
+        self.show_file = sf = QCheckBox(_('&Open PDF file after printing'), self)
         sf.setChecked(vprefs.get('print-to-pdf-show-file', True))
         l.addRow(sf)