Fix superpickaxe //

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

@@ -171,7 +171,7 @@ public class ToolUtilCommands {
 
     @Command(
             name = "/superpickaxe",
-            aliases = {",", "/sp", "/pickaxe"},
+            aliases = {",", "/sp", "/pickaxe", "/"},
             desc = "Toggle the super pickaxe function"
     )
     @CommandPermissions("worldedit.superpickaxe")