=doc =per fixed a few typos from 'Unknow' to 'Unknown'

akka-docs/rst/java/code/docs/serialization/SerializationDocTest.java

@@ -91,7 +91,7 @@ public class SerializationDocTest {
       else if (obj instanceof User)
         return USER_MANIFEST;
       else 
-        throw new IllegalArgumentException("Unknow type: " + obj);
+        throw new IllegalArgumentException("Unknown type: " + obj);
     }
 
     // "toBinary" serializes the given object to an Array of Bytes
@@ -103,7 +103,7 @@ public class SerializationDocTest {
         else if (obj instanceof User)
           return ((User) obj).name.getBytes(UTF_8);
         else 
-          throw new IllegalArgumentException("Unknow type: " + obj);
+          throw new IllegalArgumentException("Unknown type: " + obj);
       } catch (UnsupportedEncodingException e) {
         throw new RuntimeException(e.getMessage(), e);
       }
@@ -119,7 +119,7 @@ public class SerializationDocTest {
         else if (manifest.equals(USER_MANIFEST))
           return new User(new String(bytes, UTF_8));
         else 
-          throw new IllegalArgumentException("Unknow manifest: " + manifest);
+          throw new IllegalArgumentException("Unknown manifest: " + manifest);
       } catch (UnsupportedEncodingException e) {
         throw new RuntimeException(e.getMessage(), e);
       }

akka-persistence/src/main/scala/akka/persistence/Persistence.scala

@@ -211,7 +211,7 @@ class Persistence(val system: ExtendedActorSystem) extends Extension {
       case ext if ext(system).actor == journalPluginActor ⇒ ext(system).config
     } match {
       case Some(conf) ⇒ conf
-      case None       ⇒ throw new IllegalArgumentException(s"Unknow plugin actor $journalPluginActor")
+      case None       ⇒ throw new IllegalArgumentException(s"Unknown plugin actor $journalPluginActor")
     }
 
   /**