diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index c6a07e92241..115e39c1bd1 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,7 @@
+2016-10-25  Cesar Philippidis  <cesar@codesourcery.com>
+
+	* intrinsic.texi (cosd): New mathop.
+
 2016-10-25  Fritz Reese <fritzoreese@gmail.com>
 
 	* match.c (gfc_match_intrinsic_op): Match ".XOR." with -std=legacy.
diff --git a/gcc/fortran/intrinsic.texi b/gcc/fortran/intrinsic.texi
index 16e1d5cb47b..85f781e7a5d 100644
--- a/gcc/fortran/intrinsic.texi
+++ b/gcc/fortran/intrinsic.texi
@@ -32,6 +32,7 @@ Some basic guidelines for editing this document:
 \gdef\acosh{\mathop{\rm acosh}\nolimits}
 \gdef\asinh{\mathop{\rm asinh}\nolimits}
 \gdef\atanh{\mathop{\rm atanh}\nolimits}
+\gdef\cosd{\mathop{\rm cosd}\nolimits}
 @end tex