[evolution] Fixed typo in string

[Daniel Mustieles García <dmustieles src gnome org>]

commit 4c1808748f92f9b0d23bad28813e65f0de83cf62
Author: Daniel Mustieles <daniel mustieles gmail com>
Date:   Wed Apr 24 10:00:21 2019 +0200

    Fixed typo in string

 src/modules/calendar/e-calendar-preferences.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/modules/calendar/e-calendar-preferences.c b/src/modules/calendar/e-calendar-preferences.c
index ea3a99825c..c6ec4ffe62 100644
--- a/src/modules/calendar/e-calendar-preferences.c
+++ b/src/modules/calendar/e-calendar-preferences.c
@@ -650,7 +650,7 @@ calendar_preferences_add_itip_formatter_page (EShell *shell,
                check, "active",
                G_SETTINGS_BIND_DEFAULT);
 
-       check = gtk_check_button_new_with_mnemonic (_("_Preserve exiting reminder by default"));
+       check = gtk_check_button_new_with_mnemonic (_("_Preserve existing reminder by default"));
        gtk_box_pack_start (GTK_BOX (inner_vbox), check, FALSE, FALSE, 0);
 
        g_settings_bind (settings, "preserve-reminder",