blog: update link to point to first slide rather than last

Change-Id: I6098050db999660d515c3106be7c22eb167ced66
Reviewed-on: https://go-review.googlesource.com/55031
Reviewed-by: Andrew Bonventre <andybons@golang.org>
diff --git a/content/contributor-workshop.article b/content/contributor-workshop.article
index c0834ab..01bd521 100644
--- a/content/contributor-workshop.article
+++ b/content/contributor-workshop.article
@@ -126,7 +126,7 @@
 Brought up my screen and was ready to roll…
 
 Jess Frazelle stood up and started the presentation and provided the group with
-[[https://docs.google.com/presentation/d/1ap2fycBSgoo-jCswhK9lqgCIFroE1pYpsXC1ffYBCq4/edit#slide=id.g23bf63f132_2_9][a link]]
+[[https://docs.google.com/presentation/d/1ap2fycBSgoo-jCswhK9lqgCIFroE1pYpsXC1ffYBCq4/edit#slide=id.p][a link]]
 to make it easy to follow.
 
 .image contributor-workshop/image16.png