diff --git a/libstdc++-v3/include/bits/random.h b/libstdc++-v3/include/bits/random.h
index 877ac3406b6ce090cb4b3cc2ac3675454707d2ed..1b9cc5f16a9aa3db97767e08024acf6b54a68f78 100644
--- a/libstdc++-v3/include/bits/random.h
+++ b/libstdc++-v3/include/bits/random.h
@@ -1675,7 +1675,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     };
   };
 
-  /* @} */ // group random_generators
+  /// @} group random_generators
 
   /**
    * @addtogroup random_distributions Random Number Distributions
@@ -1951,7 +1951,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     operator>>(std::basic_istream<_CharT, _Traits>&,
 	       std::uniform_real_distribution<_RealType>&);
 
-  /* @} */ // group random_distributions_uniform
+  /// @} group random_distributions_uniform
 
   /**
    * @addtogroup random_distributions_normal Normal Distributions
@@ -3506,7 +3506,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     { return !(__d1 == __d2); }
 
 
-  /* @} */ // group random_distributions_normal
+  /// @} group random_distributions_normal
 
   /**
    * @addtogroup random_distributions_bernoulli Bernoulli Distributions
@@ -4402,7 +4402,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     { return !(__d1 == __d2); }
 
 
-  /* @} */ // group random_distributions_bernoulli
+  /// @} group random_distributions_bernoulli
 
   /**
    * @addtogroup random_distributions_poisson Poisson Distributions
@@ -6048,9 +6048,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     { return !(__d1 == __d2); }
 
 
-  /* @} */ // group random_distributions_poisson
+  /// @} group random_distributions_poisson
 
-  /* @} */ // group random_distributions
+  /// @} *group random_distributions
 
   /**
    * @addtogroup random_utilities Random Number Utilities
@@ -6101,9 +6101,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     std::vector<result_type> _M_v;
   };
 
-  /* @} */ // group random_utilities
+  /// @} group random_utilities
 
-  /* @} */ // group random
+  /// @} group random
 
 _GLIBCXX_END_NAMESPACE_VERSION
 } // namespace std
diff --git a/libstdc++-v3/include/bits/regex_constants.h b/libstdc++-v3/include/bits/regex_constants.h
index 340421a5abd092196461c9542e32958b7747792d..1c3dd36d57cd6ea9f5cff4b9dd386c0b035e6406 100644
--- a/libstdc++-v3/include/bits/regex_constants.h
+++ b/libstdc++-v3/include/bits/regex_constants.h
@@ -409,7 +409,7 @@ namespace regex_constants
 
   ///@}
 } // namespace regex_constants
-/* @} */ // group regex
+/// @} group regex
 
 _GLIBCXX_END_NAMESPACE_VERSION
 } // namespace std
diff --git a/libstdc++-v3/include/tr1/random.h b/libstdc++-v3/include/tr1/random.h
index 57c434f6966987dd2a1aab5214d6c02a3fa79724..9c79cfd80354a65bf1e56f45869af76268ad4378 100644
--- a/libstdc++-v3/include/tr1/random.h
+++ b/libstdc++-v3/include/tr1/random.h
@@ -1543,7 +1543,7 @@ namespace tr1
 #endif
   };
 
-  /* @} */ // group tr1_random_generators
+  /// @} group tr1_random_generators
 
   /**
    * @addtogroup tr1_random_distributions Random Number Distributions
@@ -2046,7 +2046,7 @@ namespace tr1
       bool      _M_easy;
     };
 
-  /* @} */ // group tr1_random_distributions_discrete
+  /// @} group tr1_random_distributions_discrete
 
   /**
    * @addtogroup tr1_random_distributions_continuous Continuous Distributions
@@ -2403,9 +2403,9 @@ namespace tr1
       result_type _M_l_d;
     };
 
-  /* @} */ // group tr1_random_distributions_continuous
-  /* @} */ // group tr1_random_distributions
-  /* @} */ // group tr1_random
+  /// @} group tr1_random_distributions_continuous
+  /// @} group tr1_random_distributions
+  /// @} group tr1_random
 }
 
 _GLIBCXX_END_NAMESPACE_VERSION