diff --git a/man3/getifaddrs.3 b/man3/getifaddrs.3
index 9ddb68846..7c1ba0399 100644
--- a/man3/getifaddrs.3
+++ b/man3/getifaddrs.3
@@ -182,7 +182,7 @@ T}	Thread safety	MT-Safe
 .TE
 
 .SH CONFORMING TO
-Not in POSIX.1-2001.
+Not in POSIX.1.
 This function first appeared in BSDi and is
 present on the BSD systems, but with slightly different
 semantics documented\(emreturning one entry per interface,