diff --git a/src/libm/k_rem_pio2.c b/src/libm/k_rem_pio2.c
index 29dd9f3753..c82f0c5b06 100644
--- a/src/libm/k_rem_pio2.c
+++ b/src/libm/k_rem_pio2.c
@@ -41,7 +41,7 @@
  *			z    = (z-x[i])*2**24
  *
  *
- *	y[]	ouput result in an array of double precision numbers.
+ *	y[]	output result in an array of double precision numbers.
  *		The dimension of y[] is:
  *			24-bit  precision	1
  *			53-bit  precision	2