[gnome-builder] libide/greeter: fix title casing

[Christian Hergert <chergert src gnome org>]

commit 179154448d28703e28b2f5107087a00da9da15b2
Author: Christian Hergert <chergert redhat com>
Date:   Mon Aug 29 17:27:17 2022 -0700

    libide/greeter: fix title casing
    
    So it matches the rest of the tooltips.

 src/libide/greeter/ide-greeter-workspace.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/libide/greeter/ide-greeter-workspace.ui b/src/libide/greeter/ide-greeter-workspace.ui
index 471f0c868..a4fb6b4f4 100644
--- a/src/libide/greeter/ide-greeter-workspace.ui
+++ b/src/libide/greeter/ide-greeter-workspace.ui
@@ -34,7 +34,7 @@
           <object class="GtkToggleButton" id="select_button">
             <property name="action-name">win.selection-mode</property>
             <property name="icon-name">selection-mode-symbolic</property>
-            <property name="tooltip-text" translatable="yes">Toggle Selection Mode</property>
+            <property name="tooltip-text" translatable="yes">Toggle selection mode</property>
           </object>
         </child>
       </object>