diff --git a/src/calibre/gui2/dialogs/saved_search_editor.py b/src/calibre/gui2/dialogs/saved_search_editor.py
index fc73e0472b..169f847578 100644
--- a/src/calibre/gui2/dialogs/saved_search_editor.py
+++ b/src/calibre/gui2/dialogs/saved_search_editor.py
@@ -61,14 +61,14 @@ class AddSavedSearch(Dialog):
             return error_dialog(
                 self,
                 _('No search name'),
-                _('You must specify a search name'),
+                _('You must specify a name for the Saved search'),
                 show=True)
         expression = self.search.text().strip()
         if not expression:
             return error_dialog(
                 self,
                 _('No search expression'),
-                _('You must specify a search expression'),
+                _('You must specify a search expression for the Saved search'),
                 show=True)
         if icu_lower(name) in self.searches:
             self.searches.pop(icu_lower(name), None)
diff --git a/src/calibre/gui2/dialogs/tag_categories.ui b/src/calibre/gui2/dialogs/tag_categories.ui
index 83b9185715..cf30cb8e5d 100644
--- a/src/calibre/gui2/dialogs/tag_categories.ui
+++ b/src/calibre/gui2/dialogs/tag_categories.ui
@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>User Categories Editor</string>
+   <string>User categories editor</string>
   </property>
   <property name="windowIcon">
    <iconset resource="../../../../resources/images.qrc">