--- a/stx_libjava.st	Wed Oct 25 23:18:30 2017 +0100
+++ b/stx_libjava.st	Wed Oct 25 23:46:33 2017 +0100
@@ -136,7 +136,7 @@
      Please take a look at the #referencedPreRequisites method as well."
 
     ^ #(
-        #'stx:libbasic'    "AbstractNumberVector - extended"
+        #'stx:libbasic'    "AbstractLock - superclass of JavaMonitor"
         #'stx:libbasic2'    "Socket - extended"
         #'stx:libbasic3'    "SystemEnvironment - superclass of JavaClassEnvironment"
         #'stx:libview'    "DisplaySurface - superclass of JavaEmbeddedFrameView"
@@ -412,6 +412,7 @@
         JavaByteCodeDisassembler
         JavaByteCodeProcessorAdapter
         JavaClassAnnotationContainer
+        JavaClassFormatError
         JavaClassMemberRef2
         JavaClassReader
         JavaClassRef2