[PATCH 3/4] patch.man: add description for -pg

[Vladimir D. Seleznev]

---
 patch.man | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/patch.man b/patch.man
index e919eae32..9ef7eec0b 100644
--- a/patch.man
+++ b/patch.man
@@ -498,6 +498,12 @@ or the directory specified by the
 .B \-d
 option.
 .TP
+\fB-pg\fP or \fB--strip=g\fP
+The same as
+\fB\-p\fP\fInum\fP,
+but try to guess
+\fInum\fP.
+.TP
 .B \*=posix
 Conform more strictly to the \s-1POSIX\s0 standard, as follows.
 .RS
-- 
2.24.1