diff --git a/collects/scribblings/reference/filesystem.scrbl b/collects/scribblings/reference/filesystem.scrbl
index da39e016b5..a1872a1cb7 100644
--- a/collects/scribblings/reference/filesystem.scrbl
+++ b/collects/scribblings/reference/filesystem.scrbl
@@ -189,7 +189,7 @@ standard library collection directory (see @secref["collects"]).  In
 this case, @racket[program] is the name used to start Racket and
 @racket[related] is @racket["collects"].  The @racket[related-sub]
 argument is used because, on @|AllUnix|, @racket[program-sub] may
-evolve to a sequence of soft links; in this case,
+involve a sequence of soft links; in this case,
 @racket[related-sub] determines which link in the chain is relevant.
 
 If @racket[related-sub] is not @racket[#f], then when