minor edit: ietf-org link is a see also

there isn't "more information" at the ietf-org link (it just points back here) so relabeled that link as a "see also" to reflect present reality rather than aspirations. if it changes in the future, this doc can be updated at that point.

Author: tantek

README.md

@@ -1,4 +1,4 @@
 # w3c-ietf-coord
 This repository helps track open areas of collaboration between the W3C and IETF
 
-For more information see https://datatracker.ietf.org/iabasg/ietfw3c/about/
+See also: https://datatracker.ietf.org/iabasg/ietfw3c/about/