Add //br and //brush as aliases.

worldedit-core/src/main/java/com/sk89q/worldedit/command/ClipboardCommands.java

@@ -143,7 +143,7 @@ public class ClipboardCommands {
                           boolean pasteEntities,
                       @Switch(name = 'b', desc = "Paste biomes if available")
                           boolean pasteBiomes,
-                      @ArgFlag(name = 'm', desc = "Skip blocks matching this mask", def = "")
+                      @ArgFlag(name = 'm', desc = "Only paste blocks matching this mask", def = "")
                           Mask sourceMask) throws WorldEditException {
 
         ClipboardHolder holder = session.getClipboard();

worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/PlatformCommandManager.java

@@ -281,7 +281,7 @@ public final class PlatformCommandManager {
         registerSubCommands(
             "snapshot",
             ImmutableList.of("snap"),
-            "Snapshot commands for saving/loading snapshots",
+            "Snapshot commands for restoring backups",
             SnapshotCommandsRegistration.builder(),
             new SnapshotCommands(worldEdit)
         );
@@ -294,7 +294,7 @@ public final class PlatformCommandManager {
         );
         registerSubCommands(
             "brush",
-            ImmutableList.of("br"),
+            ImmutableList.of("br", "/brush", "/br"),
             "Brushing commands",
             BrushCommandsRegistration.builder(),
             new BrushCommands(worldEdit),