doc: reference fmt(1) from fold(1)

* man/fold.x: fold and fmt have overlapping functionality,
so reference fmt(1) from the lower level fold(1) utility.

diff --git a/man/fold.x b/man/fold.x
index 5c7472c252c904af34bd1aa447b496f707282aaa..c1c8e50d5e9fa99e53d0f92d13eb0be9b7dabe23 100644 (file)
--- a/man/fold.x
+++ b/man/fold.x
@@ -2,3 +2,5 @@
 fold \- wrap each input line to fit in specified width
 [DESCRIPTION]
 .\" Add any additional description here
+[SEE ALSO]
+fmt(1)