diff --git a/etc/MACHINES b/etc/MACHINES
index 26bd84d4ed0..9a4a700b531 100644
--- a/etc/MACHINES
+++ b/etc/MACHINES
@@ -109,7 +109,7 @@ Amdahl UTS (580-amdahl-sysv)
 
 Apple Macintosh running Mac OS X
 
-  For installtion on all versions of the Mac OS platform, see the file
+  For installation on all versions of the Mac OS platform, see the file
   mac/INSTALL.
 
 Apple PowerPC Macintosh running GNU/Linux