diff --git a/src/calibre/gui2/layout.py b/src/calibre/gui2/layout.py
index 51e8145548..c4a167f7cc 100644
--- a/src/calibre/gui2/layout.py
+++ b/src/calibre/gui2/layout.py
@@ -8,7 +8,7 @@ __docformat__ = 'restructuredtext en'
 from functools import partial
 from qt.core import (
     QActionGroup, QCoreApplication, QFrame, QHBoxLayout, QIcon, QLabel, QLineEdit,
-    QMenu, QObject, QSizePolicy, Qt, QToolButton, QVBoxLayout, QWidget, pyqtSignal
+    QMenu, QObject, QSizePolicy, Qt, QToolButton, QVBoxLayout, QWidget, pyqtSignal,
 )
 
 from calibre import human_readable
@@ -16,6 +16,7 @@ from calibre.constants import __appname__
 from calibre.gui2.bars import BarsManager
 from calibre.gui2.search_box import SearchBox2
 from calibre.utils.config_base import tweaks
+from calibre.utils.localization import pgettext
 
 
 class LocationManager(QObject):  # {{{
@@ -263,7 +264,7 @@ class SearchBar(QFrame):  # {{{
 
         x = parent.highlight_only_button = QToolButton(self)
         x.setAutoRaise(True)
-        x.setText(_('Highlight'))
+        x.setText(pgettext('mark books matching search result instead of filtering them', 'Highlight'))
         x.setCursor(Qt.CursorShape.PointingHandCursor)
         x.setToolButtonStyle(Qt.ToolButtonStyle.ToolButtonTextBesideIcon)
         x.setIcon(QIcon.ic('arrow-down.png'))
diff --git a/src/calibre/gui2/library/annotations.py b/src/calibre/gui2/library/annotations.py
index fbf664e3b4..3dfa53174c 100644
--- a/src/calibre/gui2/library/annotations.py
+++ b/src/calibre/gui2/library/annotations.py
@@ -30,7 +30,7 @@ from calibre.gui2.viewer.widgets import ResultsDelegate, SearchBox
 from calibre.gui2.widgets import BusyCursor
 from calibre.gui2.widgets2 import Dialog, RightClickButton
 from calibre.startup import connect_lambda
-from calibre.utils.localization import ngettext
+from calibre.utils.localization import ngettext, pgettext
 
 
 def render_timestamp(ts):
@@ -182,7 +182,7 @@ def friendly_username(user_type, user):
 
 def annotation_title(atype, singular=False):
     if singular:
-        return {'bookmark': _('Bookmark'), 'highlight': _('Highlight')}.get(atype, atype)
+        return {'bookmark': _('Bookmark'), 'highlight': pgettext('type of annotation', 'Highlight')}.get(atype, atype)
     return {'bookmark': _('Bookmarks'), 'highlight': _('Highlights')}.get(atype, atype)
 
 
diff --git a/src/calibre/gui2/search_box.py b/src/calibre/gui2/search_box.py
index 4f1fd86d0a..d676b7c35b 100644
--- a/src/calibre/gui2/search_box.py
+++ b/src/calibre/gui2/search_box.py
@@ -5,20 +5,20 @@ __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
-import re, time
+import re
+import time
 from functools import partial
-
-
 from qt.core import (
-    QComboBox, Qt, QLineEdit, pyqtSlot, QDialog, QEvent,
-    pyqtSignal, QCompleter, QAction, QKeySequence, QTimer,
-    QIcon, QApplication, QKeyEvent)
+    QAction, QApplication, QComboBox, QCompleter, QDialog, QEvent, QIcon, QKeyEvent,
+    QKeySequence, QLineEdit, Qt, QTimer, pyqtSignal, pyqtSlot,
+)
 
-from calibre.gui2 import config, question_dialog, gprefs, QT_HIDDEN_CLEAR_ACTION
-from calibre.gui2.widgets import stylesheet_for_lineedit
+from calibre.gui2 import QT_HIDDEN_CLEAR_ACTION, config, gprefs, question_dialog
 from calibre.gui2.dialogs.saved_search_editor import SavedSearchEditor
 from calibre.gui2.dialogs.search import SearchDialog
+from calibre.gui2.widgets import stylesheet_for_lineedit
 from calibre.utils.icu import primary_sort_key
+from calibre.utils.localization import pgettext
 from polyglot.builtins import native_string_type, string_or_bytes
 
 
@@ -401,7 +401,7 @@ class SearchBoxMixin:  # {{{
         else:
             b.setIcon(QIcon.ic('highlight_only_off.png'))
             if gprefs['search_tool_bar_shows_text']:
-                b.setText(_('Highlight'))
+                b.setText(pgettext('mark books matching search result instead of filtering them', 'Highlight'))
                 b.setToolButtonStyle(Qt.ToolButtonStyle.ToolButtonTextBesideIcon)
             else:
                 b.setText(None)