Index: trunk/src/org/openstreetmap/josm/tools/Platform.java
===================================================================
--- trunk/src/org/openstreetmap/josm/tools/Platform.java	(revision 12780)
+++ trunk/src/org/openstreetmap/josm/tools/Platform.java	(revision 12781)
@@ -10,4 +10,7 @@
 public enum Platform {
 
+    /**
+     * Unik-like platform. This is the default when the platform cannot be identified.
+     */
     UNIXOID {
         @Override
@@ -16,4 +19,7 @@
         }
     },
+    /**
+     * Windows platform.
+     */
     WINDOWS {
         @Override
@@ -22,4 +28,7 @@
         }
     },
+    /**
+     * macOS (previously OS X) platform.
+     */
     OSX {
         @Override