docs: normalize Web capitalization in access_webdav

docs: normalize Web capitalization in access_webdav

Agent-Logs-Url: https://github.com/nextcloud/documentation/sessions/2c1f4cf0-01aa-4de3-94e3-2d687cf5d98a

Co-authored-by: skjnldsv <14975046+skjnldsv@users.noreply.github.com>

[skip ci]

Author: Copilot

user_manual/files/access_webdav.rst

@@ -440,7 +440,7 @@ Cannot map Nextcloud as a WebDAV drive in Windows using a self-signed certificat
 Solution
 ^^^^^^^^
 
-#. Access your Nextcloud instance in your preferred web browser.
+#. Access your Nextcloud instance in your preferred Web browser.
 #. Click through until you get to the certificate error in the browser status
    line.
 #. View the certificate, then from the Details tab, select 'Copy to File'.