diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 5b3641e4965..91c2ff4a64a 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,7 @@
+2015-08-19  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* include/c_global/cmath: Fix typo in comment.
+
 2015-08-19  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* include/c_global/cmath: Revert fix for libstdc++/58625, no
diff --git a/libstdc++-v3/include/c_global/cmath b/libstdc++-v3/include/c_global/cmath
index ee7615887cc..7718ea2e225 100644
--- a/libstdc++-v3/include/c_global/cmath
+++ b/libstdc++-v3/include/c_global/cmath
@@ -650,7 +650,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     isnormal(_Tp __x)
     { return __x != 0 ? true : false; }
 
-  // Note: c++/36757 is fixed, __builtin_signbit is type-generic.
+  // Note: middle-end/36757 is fixed, __builtin_signbit is type-generic.
   constexpr bool
   signbit(float __x)
   { return __builtin_signbit(__x); }