[nautilus] preferences-window: Add description for the performance group

[António Fernandes <antoniof src gnome org>]

commit a7f477fa3c0e33063bc5a7b195eedddcb45cd383
Author: António Fernandes <antoniof gnome org>
Date:   Wed Feb 10 11:52:41 2021 +0000

    preferences-window: Add description for the performance group
    
    Providing guidance for what the trade offs are.

 src/resources/ui/nautilus-preferences-window.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/resources/ui/nautilus-preferences-window.ui b/src/resources/ui/nautilus-preferences-window.ui
index 01dd3aba1..aa4467150 100644
--- a/src/resources/ui/nautilus-preferences-window.ui
+++ b/src/resources/ui/nautilus-preferences-window.ui
@@ -105,6 +105,7 @@
         <child>
           <object class="HdyPreferencesGroup">
             <property name="title" translatable="yes">Performance</property>
+            <property name="description" translatable="yes">These features may cause slowdowns and excess 
network usage, especially when browsing files outside this computer, such as on a remote server.</property>
             <property name="visible">True</property>
             <child>
               <object class="HdyComboRow" id="search_recursive_row">