diff --git a/man3/cerf.3 b/man3/cerf.3
index acea3e4be..d449ecb56 100644
--- a/man3/cerf.3
+++ b/man3/cerf.3
@@ -35,7 +35,7 @@ is defined as cerfc(z) = 1\-cerf(z).
 .SH CONFORMING TO
 The function names are reserved for future use in C99.
 .SH AVAILABILITY
-Not yet in glibc, as at version 2.12.
+Not yet in glibc, as at version 2.19.
 .\" But reserved in NAMESPACE.
 .SH SEE ALSO
 .BR erf (3),
diff --git a/man3/cexp2.3 b/man3/cexp2.3
index d9e443bd0..05ee9cfbf 100644
--- a/man3/cexp2.3
+++ b/man3/cexp2.3
@@ -23,7 +23,7 @@ The function returns 2 raised to the power of
 .SH CONFORMING TO
 These function names are reserved for future use in C99.
 .SH AVAILABILITY
-Not yet in glibc, as at version 2.17.
+Not yet in glibc, as at version 2.19.
 .\" But reserved in NAMESPACE.
 .SH SEE ALSO
 .BR cabs (3),
diff --git a/man3/clog2.3 b/man3/clog2.3
index 0c615e8b7..c314a4bbc 100644
--- a/man3/clog2.3
+++ b/man3/clog2.3
@@ -34,7 +34,7 @@ close to zero will cause an overflow.
 .SH CONFORMING TO
 These function names are reserved for future use in C99.
 .SH AVAILABILITY
-Not yet in glibc, as at version 2.17.
+Not yet in glibc, as at version 2.19.
 .\" But reserved in NAMESPACE.
 .SH SEE ALSO
 .BR cabs (3),