present: update link to sam documentation
The link to the sam documentation explaining the use
of the address syntax used when loading code files
was dead. This updates the location of the
documentation to the new plan9 site.
Fixes golang/go#23247
Change-Id: If27702a17700ac859650e1e3c070cb43345f32b0
Reviewed-on: https://go-review.googlesource.com/85420
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/present/doc.go b/present/doc.go
index 1eae9c8..45039b6 100644
--- a/present/doc.go
+++ b/present/doc.go
@@ -117,7 +117,7 @@
section of the file to display. The address syntax is similar in
its simplest form to that of ed, but comes from sam and is more
general. See
- http://plan9.bell-labs.com/sys/doc/sam/sam.html Table II
+ https://plan9.io/sys/doc/sam/sam.html Table II
for full details. The displayed block is always rounded out to a
full line at both ends.
