diff --git a/clang/docs/ClangFormatStyleOptions.rst b/clang/docs/ClangFormatStyleOptions.rst
--- a/clang/docs/ClangFormatStyleOptions.rst
+++ b/clang/docs/ClangFormatStyleOptions.rst
@@ -125,7 +125,7 @@
 the configuration (without a prefix: ``Auto``).
 
 
-**BasedOnStyle** (``string``)
+**BasedOnStyle** (``std::string``)
   The style used for all options not specifically set in the configuration.
 
   This option is supported only in the :program:`clang-format` configuration