diff --git a/node/src/test/kotlin/net/corda/node/utilities/ObservablesTests.kt b/node/src/test/kotlin/net/corda/node/utilities/ObservablesTests.kt
index 89b8f03d88..2db32733db 100644
--- a/node/src/test/kotlin/net/corda/node/utilities/ObservablesTests.kt
+++ b/node/src/test/kotlin/net/corda/node/utilities/ObservablesTests.kt
@@ -280,7 +280,7 @@ class ObservablesTests {
             }
         })
         source.subscribe { heartBeat += it }
-        // wrap FlowSafeSubject with a FlowSafeSubscriber
+        // wrapping FlowSafeSubject with a SafeSubscriber
         val sourceWrapper = SafeSubscriber(Subscribers.from(source))
         assertFailsWith<OnErrorFailedException> {
             sourceWrapper.onNext(1)