diff --git a/src/calibre/gui2/preferences/plugins.py b/src/calibre/gui2/preferences/plugins.py
index e0eedcb4a9..8f206f68f4 100644
--- a/src/calibre/gui2/preferences/plugins.py
+++ b/src/calibre/gui2/preferences/plugins.py
@@ -325,7 +325,7 @@ class ConfigWidget(ConfigWidgetBase, Ui_Form):
             self.check_for_add_to_toolbars(plugin, previously_installed=plugin.name in installed_plugins)
             info_dialog(self, _('Success'),
                     _('Plugin <b>{0}</b> successfully installed under <b>'
-                        ' {1} plugins</b>. You may have to restart calibre '
+                        '{1} plugins</b>. You may have to restart calibre '
                         'for the plugin to take effect.').format(plugin.name, plugin.type),
                     show=True, show_copy_button=False)
             idx = self._plugin_model.plugin_to_index_by_properties(plugin)
@@ -456,9 +456,8 @@ class ConfigWidget(ConfigWidgetBase, Ui_Form):
             from calibre.gui2.tweak_book.plugin import install_plugin
             install_plugin(plugin)
 
+
 if __name__ == '__main__':
     from PyQt5.Qt import QApplication
     app = QApplication([])
     test_widget('Advanced', 'Plugins')
-
-
diff --git a/src/calibre/gui2/tweak_book/char_select.py b/src/calibre/gui2/tweak_book/char_select.py
index 5f39bd6449..128b877efe 100644
--- a/src/calibre/gui2/tweak_book/char_select.py
+++ b/src/calibre/gui2/tweak_book/char_select.py
@@ -206,7 +206,7 @@ class CategoryModel(QAbstractItemModel):
     (_('Limbu'), (0x1900, 0x194F)),
     (_('Malayalam'), (0xD00, 0xD7F)),
     (_('Meetei Mayek'), (0xABC0, 0xABFF)),
-    (_('Meetei Mayek extensions*'), (0xAAE0, 0xAAEF)),
+    (_('Meetei Mayek extensions'), (0xAAE0, 0xAAEF)),
     (_('Ol Chiki'), (0x1C50, 0x1C7F)),
     (_('Oriya'), (0xB00, 0xB7F)),
     (_('Saurashtra'), (0xA880, 0xA8DF)),