[gnome-shell] endSessionDialog: Fix a typo

[Florian Müllner <fmuellner src gnome org>]

commit 11283339b6b1e67761ff4b221635f7f4b352ef11
Author: Jonas Dreßler <verdre v0yd nl>
Date:   Wed Dec 4 21:56:13 2019 +0100

    endSessionDialog: Fix a typo
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/935

 js/ui/endSessionDialog.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/js/ui/endSessionDialog.js b/js/ui/endSessionDialog.js
index f9dad58354..797239449c 100644
--- a/js/ui/endSessionDialog.js
+++ b/js/ui/endSessionDialog.js
@@ -298,7 +298,7 @@ class EndSessionDialog extends ModalDialog.ModalDialog {
         messageLayout.add(this._checkBox);
 
         this._batteryWarning = new St.Label({ style_class: 'end-session-dialog-warning',
-                                              text: _("Running on battery power: please plug in before 
installing updates.") });
+                                              text: _("Running on battery power: Please plug in before 
installing updates.") });
         this._batteryWarning.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
         this._batteryWarning.clutter_text.line_wrap = true;
         messageLayout.add(this._batteryWarning);