diff --git a/src/calibre/devices/folder_device/driver.py b/src/calibre/devices/folder_device/driver.py
index d97d18bacb..56880dc5b1 100644
--- a/src/calibre/devices/folder_device/driver.py
+++ b/src/calibre/devices/folder_device/driver.py
@@ -29,7 +29,7 @@ class FOLDER_DEVICE_FOR_CONFIG(USBMS):
 
 
 class FOLDER_DEVICE(USBMS):
-    type = _('Device Interface')
+    type = _('Device interface')
 
     name           = 'Folder Device Interface'
     gui_name       = 'Folder Device'
diff --git a/src/calibre/gui2/preferences/server.py b/src/calibre/gui2/preferences/server.py
index 010c959aeb..07c1dee3aa 100644
--- a/src/calibre/gui2/preferences/server.py
+++ b/src/calibre/gui2/preferences/server.py
@@ -211,7 +211,7 @@ class MainTab(QWidget):  # {{{
         fl.addRow(options['port'].shortdoc + ':', sb)
         l.addSpacing(25)
         self.opt_auth = cb = QCheckBox(
-            _('Require username/password to access the content server')
+            _('Require &username/password to access the content server')
         )
         l.addWidget(cb)
         self.auth_desc = la = QLabel(self)
@@ -745,7 +745,7 @@ class ConfigWidget(ConfigWidgetBase):
         m.show_logs.connect(self.view_server_logs)
         self.opt_autolaunch_server = m.opt_autolaunch_server
         self.users_tab = ua = Users(self)
-        t.addTab(ua, _('&User Accounts'))
+        t.addTab(ua, _('&User accounts'))
         self.advanced_tab = a = AdvancedTab(self)
         sa = QScrollArea(self)
         sa.setWidget(a), sa.setWidgetResizable(True)
@@ -872,7 +872,7 @@ class ConfigWidget(ConfigWidgetBase):
                     _(
                         'You have turned on the setting to require passwords to access'
                         ' the content server, but you have not created any user accounts.'
-                        ' Create at least one user account in the "User Accounts" tab to proceed.'
+                        ' Create at least one user account in the "User accounts" tab to proceed.'
                     ),
                     show=True
                 )
diff --git a/src/calibre/gui2/store/basic_config_widget.ui b/src/calibre/gui2/store/basic_config_widget.ui
index 8f9b2d0b48..1c2a437fca 100644
--- a/src/calibre/gui2/store/basic_config_widget.ui
+++ b/src/calibre/gui2/store/basic_config_widget.ui
@@ -17,7 +17,7 @@
    <item row="1" column="0">
     <widget class="QLabel" name="label">
      <property name="text">
-      <string>Added Tags:</string>
+      <string>Added tags:</string>
      </property>
     </widget>
    </item>
diff --git a/src/calibre/gui2/tweak_book/ui.py b/src/calibre/gui2/tweak_book/ui.py
index b0acdd218c..003714e27d 100644
--- a/src/calibre/gui2/tweak_book/ui.py
+++ b/src/calibre/gui2/tweak_book/ui.py
@@ -359,7 +359,7 @@ class Main(MainWindow):
                                       _('Undo typing'))
         self.action_editor_redo = reg('edit-redo.png', _('&Redo'), self.boss.do_editor_redo, 'editor-redo', 'Ctrl+Y',
                                       _('Redo typing'))
-        self.action_editor_cut = reg('edit-cut.png', _('C&ut text'), self.boss.do_editor_cut, 'editor-cut', ('Ctrl+X', 'Shift+Delete', ),
+        self.action_editor_cut = reg('edit-cut.png', _('Cut &text'), self.boss.do_editor_cut, 'editor-cut', ('Ctrl+X', 'Shift+Delete', ),
                                       _('Cut text'))
         self.action_editor_copy = reg('edit-copy.png', _('&Copy to clipboard'), self.boss.do_editor_copy, 'editor-copy', ('Ctrl+C', 'Ctrl+Insert'),
                                       _('Copy to clipboard'))
@@ -397,7 +397,7 @@ class Main(MainWindow):
             'reports.png', _('&Reports'), self.boss.show_reports, 'show-reports', ('Ctrl+Shift+R',), _('Show a report on various aspects of the book'))
         self.action_check_external_links = treg('insert-link.png', _('Check &external links'), self.boss.check_external_links, 'check-external-links', (), _(
             'Check external links in the book'))
-        self.action_compress_images = treg('compress-image.png', _('Compress &images losslessly'), self.boss.compress_images, 'compress-images', (), _(
+        self.action_compress_images = treg('compress-image.png', _('C&ompress images losslessly'), self.boss.compress_images, 'compress-images', (), _(
             'Compress images losslessly'))
         self.action_transform_styles = treg('wizard.png', _('Transform &styles'), self.boss.transform_styles, 'transform-styles', (), _(
             'Transform styles used in the book'))