diff -r c5de7263722b -r f61bcd80ec1f hotspot/src/share/vm/prims/jvmti.xml
--- a/hotspot/src/share/vm/prims/jvmti.xml	Sat Apr 22 12:05:20 2017 +0200
+++ b/hotspot/src/share/vm/prims/jvmti.xml	Thu May 04 07:26:28 2017 +0000
@@ -6814,7 +6814,9 @@
         <functionlink id="AddModuleReads"/>, <functionlink id="AddModuleExports"/>,
         <functionlink id="AddModuleOpens"/>, <functionlink id="AddModuleUses"/>,
         and <functionlink id="AddModuleProvides"/>. If a module is not modifiable
-        then the module can not be updated with these functions.
+        then the module can not be updated with these functions. The result of
+        this function is always <code>JNI_TRUE</code> when called to determine
+        if an unnamed module is modifiable.
       </description>
       <origin>new</origin>
       <capabilities>