state up front that patch(1) operates on text files,

fixing an omission pointed out by chrisz@;
OK jmc@ deraadt@ chrisz@

diff --git a/usr.bin/patch/patch.1 b/usr.bin/patch/patch.1
index 18d0677..af3dccb 100644 (file)
--- a/usr.bin/patch/patch.1
+++ b/usr.bin/patch/patch.1
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: patch.1,v 1.33 2021/11/09 16:13:40 jmc Exp $
+.\"    $OpenBSD: patch.1,v 1.34 2021/12/21 08:07:20 schwarze Exp $
 .\" Copyright 1986, Larry Wall
 .\"
 .\" Redistribution and use in source and binary forms, with or without
@@ -19,7 +19,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: November 9 2021 $
+.Dd $Mdocdate: December 21 2021 $
 .Dt PATCH 1
 .Os
 .Sh NAME
@@ -47,10 +47,12 @@
 .Pf \*(Lt Ar patchfile
 .Sh DESCRIPTION
 .Nm
-will take a patch file containing any of the four forms of difference
+takes the text file
+.Ar patchfile
+containing any of the four forms of difference
 listing produced by the
 .Xr diff 1
-program and apply those differences to an original file,
+program and applies those differences to an original text file,
 producing a patched version.
 If
 .Ar patchfile