[calls] new-call-box: Clarify accessible name

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 28516cda320b7a0bfece8ec152e19c8798c74dfb
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Tue Oct 19 09:43:48 2021 +0200

    new-call-box: Clarify accessible name

 src/ui/new-call-box.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/ui/new-call-box.ui b/src/ui/new-call-box.ui
index 9a40aeed..f3f6498a 100644
--- a/src/ui/new-call-box.ui
+++ b/src/ui/new-call-box.ui
@@ -111,7 +111,7 @@
                 <signal name="clicked" handler="backspace_clicked_cb" swapped="yes"/>
                 <child internal-child="accessible">
                   <object class="AtkObject" id="a11y-backspace">
-                    <property name="accessible-name" translatable="yes">Backspace through number</property>
+                    <property name="accessible-name" translatable="yes">Delete character in front of 
cursor</property>
                   </object>
                 </child>
                 <style>