diff --git a/linux-x64/clang/include/clang-c/Documentation.h b/linux-x64/clang/include/clang-c/Documentation.h
index 4af8c93..5bece2c 100644
--- a/linux-x64/clang/include/clang-c/Documentation.h
+++ b/linux-x64/clang/include/clang-c/Documentation.h
@@ -15,11 +15,10 @@
 #ifndef LLVM_CLANG_C_DOCUMENTATION_H
 #define LLVM_CLANG_C_DOCUMENTATION_H
 
+#include "clang-c/ExternC.h"
 #include "clang-c/Index.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+LLVM_CLANG_C_EXTERN_C_BEGIN
 
 /**
  * \defgroup CINDEX_COMMENT Comment introspection
@@ -182,7 +181,12 @@
    * Command argument should be rendered emphasized (typically italic
    * font).
    */
-  CXCommentInlineCommandRenderKind_Emphasized
+  CXCommentInlineCommandRenderKind_Emphasized,
+
+  /**
+   * Command argument should not be rendered (since it only defines an anchor).
+   */
+  CXCommentInlineCommandRenderKind_Anchor
 };
 
 /**
@@ -545,10 +549,7 @@
  * @}
  */
 
-
-#ifdef __cplusplus
-}
-#endif
+LLVM_CLANG_C_EXTERN_C_END
 
 #endif /* CLANG_C_DOCUMENTATION_H */