Update CHANGELOG.md: remove a redundant asterisk

Signed-off-by: Suguru Hirahara <[email protected]>

CHANGELOG.md

@@ -339,7 +339,7 @@ To avoid future problems, we've [reconfigured](https://github.com/spantaleev/mat
 
 When generating new webhooks, you should start seeing the new URLs being used.
 
-**For now**, **both** old URLs (`/hookshot/webhooks/:hookId`) and new URLs (`/hookshot/webhooks/webhook/:hookId`) **continue to work***, so your webhooks will not break just yet.
+**For now**, **both** old URLs (`/hookshot/webhooks/:hookId`) and new URLs (`/hookshot/webhooks/webhook/:hookId`) **continue to work**, so your webhooks will not break just yet.
 
 However, **we recommend that you update all your old webhook URLs** (configured in other systems) to include the new `/webhook` path component, so that future Hookshot changes (whenever they come) will not break your webhooks. You don't need to do anything on the Hookshot side - you merely need to reconfigure the remote systems that use your webhook URLs.