Fixed a few incorrect usage strings.

src/main/java/com/gmail/nossr50/commands/CommandRegistrationHelper.java

@@ -186,7 +186,7 @@ public final class CommandRegistrationHelper {
         command.setDescription(LocaleLoader.getString("Commands.Description.xprate"));
         command.setPermission("mcmmo.commands.xprate;mcmmo.commands.xprate.reset;mcmmo.commands.xprate.set");
         command.setPermissionMessage(permissionsMessage);
-        command.setUsage(LocaleLoader.getString("Commands.Usage.2", "xprate", "<" + LocaleLoader.getString("Commands.Usage.Rate") + ">", "<" + LocaleLoader.getString("Commands.Usage.True") + "|" + LocaleLoader.getString("Commands.Usage.False")+ ">"));
+        command.setUsage(LocaleLoader.getString("Commands.Usage.2", "xprate", "<" + LocaleLoader.getString("Commands.Usage.Rate") + ">", "[" + LocaleLoader.getString("Commands.Usage.True") + "|" + LocaleLoader.getString("Commands.Usage.False")+ "]"));
         command.setUsage(command.getUsage() + "\n" + LocaleLoader.getString("Commands.Usage.1", "xprate", "reset"));
         command.setAliases(aliasList);
         command.setExecutor(new XprateCommand());
@@ -206,7 +206,7 @@ public final class CommandRegistrationHelper {
         command.setDescription(LocaleLoader.getString("Commands.Description.mcability"));
         command.setPermission("mcmmo.commands.mcability;mcmmo.commands.mcability.others");
         command.setPermissionMessage(permissionsMessage);
-        command.setUsage(LocaleLoader.getString("Commands.Usage.1", "mcability", "<" + LocaleLoader.getString("Commands.Usage.Player") + ">"));
+        command.setUsage(LocaleLoader.getString("Commands.Usage.1", "mcability", "[" + LocaleLoader.getString("Commands.Usage.Player") + "]"));
         command.setExecutor(new McabilityCommand());
     }
 
@@ -228,7 +228,7 @@ public final class CommandRegistrationHelper {
         command.setDescription(LocaleLoader.getString("Commands.Description.mcrank"));
         command.setPermission("mcmmo.commands.mcrank;mcmmo.commands.mcrank.others;mcmmo.commands.mcrank.others.far;mcmmo.commands.mcrank.others.offline");
         command.setPermissionMessage(permissionsMessage);
-        command.setUsage(LocaleLoader.getString("Commands.Usage.1", "mcrank", "<" + LocaleLoader.getString("Commands.Usage.Player") + ">"));
+        command.setUsage(LocaleLoader.getString("Commands.Usage.1", "mcrank", "[" + LocaleLoader.getString("Commands.Usage.Player") + "]"));
         command.setExecutor(new McrankCommand());
     }