Tweak clang_visitChildren comment.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94360 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang-c/Index.h b/include/clang-c/Index.h
index d66fd49..248a699 100644
--- a/include/clang-c/Index.h
+++ b/include/clang-c/Index.h
@@ -741,10 +741,8 @@
* \c CXChildVisit_Recurse. The traversal may also be ended prematurely, if
* the visitor returns \c CXChildVisit_Break.
*
- * \param tu the translation unit into which the cursor refers.
- *
* \param parent the cursor whose child may be visited. All kinds of
- * cursors can be visited, including invalid visitors (which, by
+ * cursors can be visited, including invalid cursors (which, by
* definition, have no children).
*
* \param visitor the visitor function that will be invoked for each