diff --git a/hiring/working.html.md b/hiring/working.html.md
index 6e1316cc91..1998e3cf94 100644
--- a/hiring/working.html.md
+++ b/hiring/working.html.md
@@ -61,7 +61,7 @@ We want our teams to set their own direction as much as possible, but we'll
 
 ## Everyone Shares An On-Call Rotation
 
-It's a platform for shipping our customers apps. It's on 24/7/365.
+It's a platform for shipping our customers' apps. It's on 24/7/365.
 
 We made a decision early on not to stick ops teams with the whole on-call challenge. So we all share it. At our current team size, on-call is 1 week roughly every 9 months or so. Most on-call is quiet! Because we all share the rotation, noisy alarms would drive all of us batty.