grammar nit
diff --git a/man/man1/cvs.1 b/man/man1/cvs.1
index 16cab49..0bafab6 100644
--- a/man/man1/cvs.1
+++ b/man/man1/cvs.1
@@ -249,5 +249,5 @@
 .B $PLAN9/troff/font/devutf
 are ``in the way.''
 This is due to the Mac case-insensitive file system
-and the fact that troff has some (not often used)
+and the fact that troff has some (rarely used)
 files whose names differ only in case.