fix (rroles): Update docs and messages.

bot/modules/guild_admin/reaction_roles/command.py

@@ -237,7 +237,7 @@ async def cmd_reactionroles(ctx, flags):
         default_price: The default price of each role on this message.
         required_role: The role required to use these reactions roles.
     Reaction Settings::
-        price: The price of this reaction role.
+        price: The price of this reaction role. (May be negative for a reward.)
         tduration: How long this role will last after being selected or bought.
     Configuration Examples``:
         {prefix}rroles {ctx.msg.id} --maximum 5
@@ -915,7 +915,7 @@ async def cmd_reactionroles(ctx, flags):
         "To update a message setting: `{prefix}rroles messageid --setting value`\n"
         "To update an emoji setting: `{prefix}rroles messageid emoji --setting value`\n"
         "See examples and more usage information with `{prefix}help rroles`.\n"
-        "*(!) Replace the `setting` with one of the settings on this page.*\n"
+        "**(!) Replace the `setting` with one of the settings on this page.**\n"
     ).format(
         prefix=ctx.best_prefix,
         settings_table=target.settings.tabulated()

bot/modules/guild_admin/reaction_roles/settings.py

@@ -191,7 +191,7 @@ class price(setting_types.Integer, ReactionSetting):
     _data_column = 'price'
 
     display_name = "price"
-    desc = "Price of this reaction role."
+    desc = "Price of this reaction role (may be negative)."
 
     long_desc = (
         "The number of coins that will be deducted from the user when this reaction is used.\n"

bot/modules/guild_admin/reaction_roles/tracker.py

@@ -425,7 +425,7 @@ class ReactionRoleMessage:
                                     self.message_link,
                                     role.mention,
                                     member.mention,
-                                    " for `{}` coins.".format(price) if price else '',
+                                    " for `{}` coins".format(price) if price else '',
                                     "\nThis role will expire at <t:{:.0f}>.".format(
                                         expiry.timestamp()
                                     ) if expiry else ''