diff --git a/app/src/processing/app/Preferences.java b/app/src/processing/app/Preferences.java
index 6b49f33ab..13aac3280 100644
--- a/app/src/processing/app/Preferences.java
+++ b/app/src/processing/app/Preferences.java
@@ -141,6 +141,8 @@ public class Preferences {
     PApplet.useNativeSelect =
       Preferences.getBoolean("chooser.files.native"); //$NON-NLS-1$
     
+    // So that the system proxy setting are used by default
+    // https://github.com/processing/processing/issues/2643
     System.setProperty("java.net.useSystemProxies","true");
     
     // Set http proxy for folks that require it.