diff --git a/src/calibre/gui2/markdown_editor.py b/src/calibre/gui2/markdown_editor.py
index efea26fd75..37bcd43a30 100644
--- a/src/calibre/gui2/markdown_editor.py
+++ b/src/calibre/gui2/markdown_editor.py
@@ -48,7 +48,7 @@ class MarkdownEditDialog(QDialog):
     def __init__(self, parent, text, column_name=None, base_url=None):
         QDialog.__init__(self, parent)
         self.setObjectName("MarkdownEditDialog")
-        self.setWindowTitle(_("Edit markdown"))
+        self.setWindowTitle(_("Edit Markdown"))
         self.verticalLayout = l = QVBoxLayout(self)
         self.textbox = editor = Editor(self)
         editor.set_base_url(base_url)