[gnome-control-center/rafaelff-usage-typo] usage: fix typo

[Rafael Fontenelle <rafaelff src gnome org>]

commit 402447d8d7d987c0dbc9ea8a3bca2876ed4e4e71
Author: Rafael Fontenelle <rffontenelle gmail com>
Date:   Sat Feb 12 22:41:45 2022 +0000

    usage: fix typo

 panels/usage/cc-usage-panel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/panels/usage/cc-usage-panel.c b/panels/usage/cc-usage-panel.c
index c4b8267fb..29230aa2f 100644
--- a/panels/usage/cc-usage-panel.c
+++ b/panels/usage/cc-usage-panel.c
@@ -247,7 +247,7 @@ retain_history_name_cb (AdwEnumListItem *item,
       return g_strdup (C_("retain_history", "1 day"));
     case CC_USAGE_PANEL_RETAIN_HISTORY_7_DAYS:
       /* Translators: Option for "File History Duration" in "File History" group */
-      return g_strdup (C_("retain_history", "7 day"));
+      return g_strdup (C_("retain_history", "7 days"));
     case CC_USAGE_PANEL_RETAIN_HISTORY_30_DAYS:
       /* Translators: Option for "File History Duration" in "File History" group */
       return g_strdup (C_("retain_history", "30 days"));