diff --git a/manual/catalogs.rst b/manual/catalogs.rst
index 7a636b79d4..8e6519b94c 100644
--- a/manual/catalogs.rst
+++ b/manual/catalogs.rst
@@ -28,7 +28,7 @@ To begin catalog generation, select the menu item :guilabel:`Convert books > Cre
In :guilabel:`Catalog options`, select **AZW3, EPUB or MOBI** as the Catalog format. In the :guilabel:`Catalog title` field, provide a name that will be used for the generated catalog. If a catalog of the same name and format already exists, it will be replaced with the newly-generated catalog.
.. image:: images/catalog_send_to_device.png
- :alt: Catalog send to device
+ :alt: Catalog: send to device automatically option
:align: center
Enabling :guilabel:`Send catalog to device automatically` will download the generated catalog to a connected device upon completion.
diff --git a/manual/edit.rst b/manual/edit.rst
index 547aa5c195..07ef9c9b65 100644
--- a/manual/edit.rst
+++ b/manual/edit.rst
@@ -529,7 +529,7 @@ The Live preview panel
------------------------
.. image:: images/live-preview.png
- :alt: The Live preview Panel
+ :alt: The Live preview panel
:class: float-left-img
The :guilabel:`File preview` gives you an overview of the various files inside
@@ -590,7 +590,7 @@ The Live CSS panel
---------------------
.. image:: images/live_css.png
- :alt: The Live CSS Panel
+ :alt: The Live CSS panel
:class: float-left-img
@@ -634,7 +634,7 @@ Checking the spelling of words in the book
You can run a spelling checker via :guilabel:`Tools->Check spelling`.
.. image:: images/edit-book-spell.png
- :alt: The Check Spelling tool
+ :alt: The Check spelling tool
:align: center
:class: fit-img
diff --git a/src/calibre/gui2/dialogs/choose_library.py b/src/calibre/gui2/dialogs/choose_library.py
index 20bc253323..1976496eb7 100644
--- a/src/calibre/gui2/dialogs/choose_library.py
+++ b/src/calibre/gui2/dialogs/choose_library.py
@@ -115,7 +115,7 @@ class ChooseLibrary(QDialog, Ui_Dialog):
if not empty:
error_dialog(self, _('Not empty'),
_('The folder %s is not empty. Please choose an empty'
- ' folder')%loc,
+ ' folder.')%loc,
show=True)
return False
if (iswindows and len(loc) >
diff --git a/src/calibre/gui2/lrf_renderer/config.ui b/src/calibre/gui2/lrf_renderer/config.ui
index 9145b4b29f..a50612abd7 100644
--- a/src/calibre/gui2/lrf_renderer/config.ui
+++ b/src/calibre/gui2/lrf_renderer/config.ui
@@ -11,7 +11,7 @@
- Configure Viewer
+ Configure viewer
diff --git a/src/calibre/gui2/tweak_book/manage_fonts.py b/src/calibre/gui2/tweak_book/manage_fonts.py
index aba024cb32..a962f00279 100644
--- a/src/calibre/gui2/tweak_book/manage_fonts.py
+++ b/src/calibre/gui2/tweak_book/manage_fonts.py
@@ -227,7 +227,7 @@ class ManageFonts(Dialog):
subset_all_fonts = pyqtSignal()
def __init__(self, parent=None):
- Dialog.__init__(self, _('Manage Fonts'), 'manage-fonts', parent=parent)
+ Dialog.__init__(self, _('Manage fonts'), 'manage-fonts', parent=parent)
def setup_ui(self):
self.setAttribute(Qt.WidgetAttribute.WA_DeleteOnClose, False)
diff --git a/src/calibre/gui2/ui.py b/src/calibre/gui2/ui.py
index 7dbe061062..d748e9d5c0 100644
--- a/src/calibre/gui2/ui.py
+++ b/src/calibre/gui2/ui.py
@@ -976,7 +976,7 @@ class Main(MainWindow, MainWindowMixin, DeviceMixin, EmailMixin, # {{{
your e-book reader may have trouble with the EPUB.
''')
if not minz:
- d = error_dialog(self, _('Conversion Failed'), msg,
+ d = error_dialog(self, _('Conversion failed'), msg,
det_msg=job.details)
d.setModal(False)
d.show()
diff --git a/src/pyj/read_book/shortcuts.pyj b/src/pyj/read_book/shortcuts.pyj
index eac67146fb..1bd409b6a8 100644
--- a/src/pyj/read_book/shortcuts.pyj
+++ b/src/pyj/read_book/shortcuts.pyj
@@ -353,13 +353,13 @@ def common_shortcuts(): # {{{
'extend_selection_to_start_of_line': desc(
v"['Shift+Home']",
'ui',
- _('Extend current selection to the start of the line'),
+ _('Extend the current selection to the start of the line'),
),
'extend_selection_to_end_of_line': desc(
v"['Shift+End']",
'ui',
- _('Extend current selection to the end of the line'),
+ _('Extend the current selection to the end of the line'),
),
'select_all': desc(