uuid.3: typo

[Evan Silberman]

request cor fomments

Index: uuid.3
===================================================================
RCS file: /cvs/src/lib/libc/uuid/uuid.3,v
retrieving revision 1.6
diff -u -p -r1.6 uuid.3
--- uuid.3      2 Oct 2018 10:55:39 -0000       1.6
+++ uuid.3      8 Jul 2019 21:15:27 -0000
@@ -207,4 +207,4 @@ functions are compatible with the DCE 1.
 .Pp
 .Fn uuid_create
 generates version 4 UUIDs,
-specified by section 4.4 of RCF 4122.
+specified by section 4.4 of RFC 4122.