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-rw-r--r--bin/man1/hi.19
1 files changed, 8 insertions, 1 deletions
diff --git a/bin/man1/hi.1 b/bin/man1/hi.1
index b852bf50..d8a4b4ee 100644
--- a/bin/man1/hi.1
+++ b/bin/man1/hi.1
@@ -1,4 +1,4 @@
-.Dd February 18, 2019
+.Dd December 11, 2019
 .Dt HI 1
 .Os
 .
@@ -130,6 +130,13 @@ name.
 .It Cm c
 The C11 language.
 .
+.It Cm diff
+The output of
+.Xr diff 1
+with the
+.Fl u
+flag.
+.
 .It Cm make
 The portable subset of
 .Xr make 1 .