diff --git a/src/calibre/gui2/dialogs/search.py b/src/calibre/gui2/dialogs/search.py
index 4638f0a059..a7a17bf715 100644
--- a/src/calibre/gui2/dialogs/search.py
+++ b/src/calibre/gui2/dialogs/search.py
@@ -163,7 +163,7 @@ def create_simple_tab(self, db):
 
 def create_date_tab(self, db):
     self.date_tab = w = QWidget(self.tab_widget)
-    self.tab_widget.addTab(w, _("&Date searches"))
+    self.tab_widget.addTab(w, _("&Date search"))
     w.l = l = QVBoxLayout(w)
 
     def a(w):
diff --git a/src/calibre/gui2/store/config/chooser/adv_search_builder.ui b/src/calibre/gui2/store/config/chooser/adv_search_builder.ui
index b0777436a1..8782b41e11 100644
--- a/src/calibre/gui2/store/config/chooser/adv_search_builder.ui
+++ b/src/calibre/gui2/store/config/chooser/adv_search_builder.ui
@@ -54,7 +54,7 @@
      </property>
      <widget class="QWidget" name="tab">
       <attribute name="title">
-       <string>A&amp;dvanced Search</string>
+       <string>A&amp;dvanced search</string>
       </attribute>
       <layout class="QGridLayout" name="gridLayout_3">
        <item row="0" column="0">
diff --git a/src/calibre/gui2/store/search/adv_search_builder.ui b/src/calibre/gui2/store/search/adv_search_builder.ui
index b60d5bf2fc..0f9ebccb6e 100644
--- a/src/calibre/gui2/store/search/adv_search_builder.ui
+++ b/src/calibre/gui2/store/search/adv_search_builder.ui
@@ -54,7 +54,7 @@
      </property>
      <widget class="QWidget" name="tab">
       <attribute name="title">
-       <string>A&amp;dvanced Search</string>
+       <string>A&amp;dvanced search</string>
       </attribute>
       <layout class="QGridLayout" name="gridLayout_3">
        <item row="0" column="0">