Update from zephyr to mattermost

diff --git a/office.mdwn b/office.mdwn
index 12a851de5096cd55abe60b9bd9ea75c2db781676..fccc4a3865bdc70a18b48c83a55a98f20951196a 100644 (file)
--- a/office.mdwn
+++ b/office.mdwn
@@ -28,5 +28,4 @@ anytime it is open.  We strive to make it a fun and comfortable place to work on
 * A diverse technical library, including popular textbooks
 * Soda and snacks for late-night sessions, cheaper and closer than Verde's
 
-Check out some of the [[zephyr classes|office/zephyrClasses]] SIPB
-uses to communicate and socialize.
+Communicate and socialize with other SIPB members through the [Mattermost](https://mattermost.xvm.mit.edu/signup_user_complete/?id=pnfpw5qkpjnxxrq319ynh94eke).