diff --git a/test/numerics/c.math/cmath_isnan.pass.cpp b/test/numerics/c.math/cmath_isnan.pass.cpp
index f7e2b133..7b33b964 100644
--- a/test/numerics/c.math/cmath_isnan.pass.cpp
+++ b/test/numerics/c.math/cmath_isnan.pass.cpp
@@ -9,7 +9,7 @@
 
 // <cmath>
 
-// isinf
+// isnan
 
 // XFAIL: linux