Fix a bunch of -Wdocumentation warnings.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162452 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang-c/Index.h b/include/clang-c/Index.h
index edd3cbb..ca4a960 100644
--- a/include/clang-c/Index.h
+++ b/include/clang-c/Index.h
@@ -3272,7 +3272,7 @@
    * \brief A \\param or \\arg command that describes the function parameter
    * (name, passing direction, description).
    *
-   * \brief For example: \\param [in] ParamName description.
+   * For example: \\param [in] ParamName description.
    */
   CXComment_ParamCommand = 7,
 
@@ -3280,7 +3280,7 @@
    * \brief A \\tparam command that describes a template parameter (name and
    * description).
    *
-   * \brief For example: \\tparam T description.
+   * For example: \\tparam T description.
    */
   CXComment_TParamCommand = 8,
 
@@ -3379,7 +3379,7 @@
 /**
  * \param Comment AST node of any kind.
  *
- * \param ArgIdx argument index (zero-based).
+ * \param ChildIdx child index (zero-based).
  *
  * \returns the specified child of the AST node.
  */