diff --git a/README.md b/README.md
index 79fd3bc..b796fec 100644
--- a/README.md
+++ b/README.md
@@ -195,7 +195,7 @@ Speed up Mail.app by vacuuming the Envelope Index
 Code from: http://www.hawkwings.net/2007/03/03/scripts-to-automate-the-mailapp-envelope-speed-trick/
 Originally by "pmbuko" with modifications by Romulo
 Updated by Brett Terpstra 2012
-Updated by Mathias Törnblom 2015 to support V3 in El Capitan and still keep backwards compability
+Updated by Mathias Törnblom 2015 to support V3 in El Capitan and still keep backwards compatibility
 *)
 
 tell application "Mail" to quit