Fix minor typo

Change-Id: Ie1ec45f5344d86903d4335f335b5acd73bb8f510

sat.md

diff --git a/sat.md b/sat.md
index 51e881d..89aa395 100644
--- a/sat.md
+++ b/sat.md
@@ -26,7 +26,7 @@
 ## 10:15 am Gertty: Console Interface to Gerrit
 
 Gertty is a console-based interface to Gerrit implementing using
-Gerrit's comprehensive REST API.  Gertt's author will discuss his
+Gerrit's comprehensive REST API.  Gertty's author will discuss his
 experience using the API, demonstrate the unique capabilities afforded
 by a secondary interface, and show some ASCII art.