diff --git a/ChangeLog b/ChangeLog
index ac0fafae5f..aaa472c848 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -9500,3 +9500,7 @@
 	* arch/arm/src/efm32/efm32_rmu.c and .h: Add support for the EFM32
 	  reset management unit (RMU).  From Pierre-noel Bouteville
 	  (2015-01-23).
+	* include/nuttx/math.h: Adds support for the expm1 functions:
+	  http://pubs.opengroup.org/onlinepubs/009695399/functions/expm1.html.
+	  From Brennan Ashton (2015-01-23).
+