some minor wording updates (#31326)

akka-actor-tests/src/test/scala/akka/actor/ActorPathSpec.scala

@@ -86,7 +86,7 @@ class ActorPathSpec extends AnyWordSpec with Matchers {
         RootActorPath(Address("akka", "mysys"), "/user/boom/*") // illegally pass in a path where name is expected
       }.getMessage should include("is a path separator")
 
-      // sanity check that creating such path still works
+      // check that creating such path still works
       ActorPath.fromString("akka://mysys/user/boom/*")
     }
 

akka-bench-jmh/src/main/scala/akka/stream/EmptySourceBenchmark.scala

@@ -31,7 +31,7 @@ class EmptySourceBenchmark {
     Await.result(setup.run(), Duration.Inf)
 
   /*
-    (not serious benchmark, just sanity check: run on macbook 15, late 2013)
+    (not serious benchmark, just ballpark check: run on macbook 15, late 2013)
 
     While it was a PublisherSource:
      [info] EmptySourceBenchmark.empty  thrpt   10  11.219 ± 6.498  ops/ms

akka-docs/src/main/paradox/persistence-schema-evolution.md

@@ -332,7 +332,7 @@ changes in the message format.
 ### Remove event class and ignore events
 
 **Situation:**
-While investigating app performance you notice that insane amounts of `CustomerBlinked` events are being stored
+While investigating app performance you notice that unreasonable amounts of `CustomerBlinked` events are being stored
 for every customer each time he/she blinks. Upon investigation, you decide that the event does not add any value
 and should be deleted. You still have to be able to replay from a journal which contains those old CustomerBlinked events though.
 

akka-persistence/src/test/scala/akka/persistence/PersistentActorSpec.scala

@@ -1247,7 +1247,7 @@ abstract class PersistentActorSpec(config: Config) extends PersistenceSpec(confi
       acks should equal(expectedAcks)
     }
     "reply to the original sender() of a command, even when using persistAsync" in {
-      // sanity check, the setting of sender() for PersistentRepl is handled by PersistentActor currently
+      // the setting of sender() for PersistentRepl is handled by PersistentActor currently
       // but as we want to remove it soon, keeping the explicit test here.
       val persistentActor = asyncPersistThreeTimesPersistentActor
 

akka-persistence/src/test/scala/akka/persistence/journal/InmemEventAdaptersSpec.scala

@@ -57,7 +57,7 @@ class InmemEventAdaptersSpec extends AkkaSpec {
     "pick the most specific adapter available" in {
       val adapters = EventAdapters(extendedActorSystem, inmemConfig)
 
-      // sanity check; precise case, matching non-user classes
+      // precise case, matching non-user classes
       adapters.get(classOf[java.lang.String]).getClass should ===(classOf[ExampleEventAdapter])
 
       // pick adapter by implemented marker interface

akka-remote/src/main/scala/akka/remote/artery/compress/CompressionTable.scala

@@ -33,7 +33,7 @@ private[remote] final class CompressionTable[T](
   def invert: DecompressionTable[T] =
     if (_dictionary.isEmpty) DecompressionTable.empty[T].copy(originUid = originUid, version = version)
     else {
-      // TODO: these are some expensive sanity checks, about the numbers being consecutive, without gaps
+      // TODO: these are some expensive checks, about the numbers being consecutive, without gaps
       // TODO: we can remove them, make them re-map (not needed I believe though)
       val expectedGaplessSum = Integer.valueOf((_dictionary.size * (_dictionary.size + 1)) / 2) /* Dirichlet */
       import akka.util.ccompat.JavaConverters._

akka-stream-tests/src/test/scala/akka/stream/impl/fusing/InterpreterStressSpec.scala

@@ -43,7 +43,7 @@ class InterpreterStressSpec extends StreamSpec with GraphInterpreterSpecKit {
       lastEvents() should be(Set(OnComplete))
 
       val time = (System.nanoTime() - tstamp) / (1000.0 * 1000.0 * 1000.0)
-      // Not a real benchmark, just for sanity check
+      // Not a real benchmark, just for ballpark check
       info(s"Chain finished in $time seconds ${(chainLength * repetition) / (time * 1000 * 1000)} million maps/s")
     }
 
@@ -73,7 +73,7 @@ class InterpreterStressSpec extends StreamSpec with GraphInterpreterSpecKit {
         Set(Cancel(SubscriptionWithCancelException.StageWasCompleted), OnComplete, OnNext(0 + chainLength)))
 
       val time = (System.nanoTime() - tstamp) / (1000.0 * 1000.0 * 1000.0)
-      // Not a real benchmark, just for sanity check
+      // Not a real benchmark, just for ballpark check
       info(s"Chain finished in $time seconds ${(chainLength * repetition) / (time * 1000 * 1000)} million maps/s")
     }