ZLIB compression deserves a better comment

What could be better than to refer to the RFC that defines it?

Reviewed-by: Stephen Henson <steve@openssl.org>

crypto/objects/objects.txt

diff --git a/crypto/objects/objects.txt b/crypto/objects/objects.txt
index 57d13b6..25a9bb8 100644
--- a/crypto/objects/objects.txt
+++ b/crypto/objects/objects.txt
@@ -838,7 +838,7 @@
 mime-mhs-headings 1	: id-hex-partial-message : id-hex-partial-message
 mime-mhs-headings 2	: id-hex-multipart-message : id-hex-multipart-message
 
-# What the hell are these OIDs, really?
+# RFC 3274
 !Cname zlib-compression
 id-smime-alg 8		: ZLIB			: zlib compression