diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index a8411765db9..6bdb17b554c 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,7 @@
 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
 
+	* include/std/type_traits: Fix comment typos.
+
 	* testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
 	mingw* targets.
 	* testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits
index 4397c484f20..01972d125c7 100644
--- a/libstdc++-v3/include/std/type_traits
+++ b/libstdc++-v3/include/std/type_traits
@@ -1641,7 +1641,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     };
 
   // wchar_t, char16_t and char32_t are integral types but are neither
-  // signed integer types not unsigned integer types, so must be
+  // signed integer types nor unsigned integer types, so must be
   // transformed to the unsigned integer type with the smallest rank.
   // Use the partial specialization for enumeration types to do that.
 #if defined(_GLIBCXX_USE_WCHAR_T)
@@ -1758,7 +1758,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     };
 
   // wchar_t, char16_t and char32_t are integral types but are neither
-  // signed integer types not unsigned integer types, so must be
+  // signed integer types nor unsigned integer types, so must be
   // transformed to the signed integer type with the smallest rank.
   // Use the partial specialization for enumeration types to do that.
 #if defined(_GLIBCXX_USE_WCHAR_T)