fix typo in previous change.
diff --git a/org.eclipse.jdt.core/META-INF/MANIFEST.MF b/org.eclipse.jdt.core/META-INF/MANIFEST.MF
index b46c2ec..f4375e7 100644
--- a/org.eclipse.jdt.core/META-INF/MANIFEST.MF
+++ b/org.eclipse.jdt.core/META-INF/MANIFEST.MF
@@ -39,7 +39,7 @@
  org.eclipse.jdt.internal.core.dom;x-internal:=true,
  org.eclipse.jdt.internal.core.dom.rewrite;x-internal:=true,
  org.eclipse.jdt.internal.core.eval;x-internal:=true,
- org.eclipse.jdt.internal.core.hierarchy;x-friends:="org.eclipse.objectteams.odtd",
+ org.eclipse.jdt.internal.core.hierarchy;x-friends:="org.eclipse.objectteams.otdt",
  org.eclipse.jdt.internal.core.index;x-internal:=true,
  org.eclipse.jdt.internal.core.jdom;x-internal:=true,
  org.eclipse.jdt.internal.core.search;x-internal:=true,