extra coordination

Author: akarnokd

tck/src/main/java/org/reactivestreams/tck/support/PublisherVerificationRules.java

@@ -401,7 +401,7 @@ public interface PublisherVerificationRules {
    * <p>Note that this test expects the {@code IllegalArgumentException} being signalled through {@code onError}, not by
    * throwing from {@code request()} (which is also forbidden) or signalling the error by any other means (i.e., through the
    * Thread.currentThread().getUncaughtExceptionHandler() for example).
-   * <p>Note also that requesting and emission may happen concurrently and honoring this rule may require extra serialization within
+   * <p>Note also that requesting and emission may happen concurrently and honoring this rule may require extra coordination within
    * the {@code Publisher}.
    * <p>If this test fails, the following could be checked within the {@code Publisher} implementation:
    * <ul>