String improvements

* Replace outdated backronym with program description
* Improve clarity and punctuation of message

gramps/gen/const.py

@@ -248,9 +248,8 @@
 # -------------------------------------------------------------------------
 COPYRIGHT_MSG = "© 2001-2006 Donald N. Allingham\n" "© 2007-2023 The Gramps Developers"
 COMMENTS = _(
-    "Gramps\n (Genealogical Research and Analysis "
-    "Management Programming System)\n"
-    "is a personal genealogy program."
+    "Gramps is a genealogy program that is both intuitive for hobbyists "
+    "and feature-complete for professional genealogists."
 )
 AUTHORS = [
     "Alexander Roitman",

gramps/gui/viewmanager.py

@@ -1283,7 +1283,10 @@ def autobackup(self):
             and self.dbstate.db.has_changed > self.prev_has_changed
         ):
             self.prev_has_changed = self.dbstate.db.has_changed
-            message = _("Please, wait before closing gramps")
+            message = _(
+                "Please wait for backup in progress.\n"
+                "Gramps will close when complete."
+            )
             message = '<span size="larger" weight="bold">%s</span>' % message
             pgr_title = _("Autobackup...")
             popup = Popup(pgr_title, message, parent=self.window)
@@ -1901,7 +1904,10 @@ def __init__(self, dbstate, uistate, user):
             position = self.window.get_position()  # crock
             window.hide()
             self.window.move(position[0], position[1])
-            message = _("Please, wait before closing gramps")
+            message = _(
+                "Please wait for backup in progress.\n"
+                "Gramps will close when complete."
+            )
             message = '<span size="larger" weight="bold">%s</span>' % message
             pgr_title = _("Making backup...")
             popup = Popup(pgr_title, message, parent=self.window)