Update accept_bounty.mdx

Author: joeisdev

pages/accept_bounty.mdx

@@ -30,7 +30,7 @@ The `accept-bounty` command has the following parameters:
 - `address`: the Cardano wallet address that will be used to claim the reward if
   / when the PR get approved and merged.
 
-** Example: **
+**Example:**
 
 ```
 /githoney accept-bounty --bountyId abc111 --address addr1xxx