diff --git a/libstdc++-v3/include/bits/mofunc_impl.h b/libstdc++-v3/include/bits/mofunc_impl.h
index 47e1e506306..318a55e618f 100644
--- a/libstdc++-v3/include/bits/mofunc_impl.h
+++ b/libstdc++-v3/include/bits/mofunc_impl.h
@@ -51,14 +51,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    *  @headerfile functional
    *
    *  The `std::move_only_function` class template is a call wrapper similar
-   *  to *  `std::function`, but does not require the stored target function
+   *  to `std::function`, but does not require the stored target function
    *  to be copyable.
    *
    *  It also supports const-qualification, ref-qualification, and
    *  no-throw guarantees. The qualifications and exception-specification
    *  of the `move_only_function::operator()` member function are respected
    *  when invoking the target function.
-   *
    */
   template<typename _Res, typename... _ArgTypes, bool _Noex>
     class move_only_function<_Res(_ArgTypes...) _GLIBCXX_MOF_CV
diff --git a/libstdc++-v3/include/std/format b/libstdc++-v3/include/std/format
index e4ef4f9b6d9..6edc3208afa 100644
--- a/libstdc++-v3/include/std/format
+++ b/libstdc++-v3/include/std/format
@@ -185,7 +185,7 @@ namespace __format
   __failed_to_parse_format_spec()
   { __throw_format_error("format error: failed to parse format-spec"); }
 } // namespace __format
-/// @endcond
+  /// @endcond
 
   // [format.parse.ctx], class template basic_format_parse_context
   template<typename _CharT> class basic_format_parse_context;
@@ -3870,7 +3870,7 @@ namespace __format
     };
 #endif
 } // namespace __format
-/// @@endcond
+/// @endcond
 
   template<typename... _Args>
     [[nodiscard]]