Apply suggestions from code review

Co-Authored-By: Kamil Ogórek <[email protected]>

Author: rhcarvalho

src/collections/_documentation/error-reporting/configuration/drain-example/go.md

@@ -5,7 +5,7 @@ If you use multiple clients, arrange for each of them to be flushed as
 appropriate.
 
 `Flush` waits until any buffered events are sent to the Sentry server, blocking
-for at most the given timeout. It returns false if the timeout was reached. In
+for at most the given timeout. It returns `false` if the timeout was reached. In
 that case, some events may not have been sent.
 
 ```go