doc/go1.2.html: update a minor change to syscall

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14379043
diff --git a/doc/go1.2.html b/doc/go1.2.html
index 2fa80c7..4b8efb6 100644
--- a/doc/go1.2.html
+++ b/doc/go1.2.html
@@ -880,7 +880,8 @@
 </li>
 
 <li>
-syscall: implemented Sendfile for Darwin, added Syscall9 for Darwin/amd64 (CL 10980043).
+The <a href="/pkg/syscall/"><code>syscall</code></a> package now implements
+<a href="/pkg/syscall/#Sendfile"><code>Sendfile</code></a> for Darwin.
 </li>
 
 <li>