Update src/pages/docs/messages/annotations.mdx

Co-authored-by: Mark Hulbert <[email protected]>

Author: SimonWoolf

src/pages/docs/messages/annotations.mdx

@@ -242,7 +242,7 @@ await channel.annotations.publish(message.serial, {
 ```
 </Code>
 
-You can additionally specify a `data` payload when publishing an annotation. This is not included in an annotation summary, so only readably by someone [subscribing to individual annotation events](#individual-annotations).
+You can additionally specify a `data` payload when publishing an annotation. This is not included in an annotation summary, so only readable by someone [subscribing to individual annotation events](#individual-annotations).
 
 ## Delete annotations <a id="delete" />