From 4f337c124bcd027b0b1fa6823ac900b8556e9138 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Sun, 12 Apr 2015 12:55:18 +0200
Subject: [PATCH] ctanh.3: Add introductory sentence explaining what these
 functions calculate

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man3/ctanh.3 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/man3/ctanh.3 b/man3/ctanh.3
index dc1f514d2..eaf440c38 100644
--- a/man3/ctanh.3
+++ b/man3/ctanh.3
@@ -18,6 +18,9 @@ ctanh, ctanhf, ctanhl \- complex hyperbolic tangent
 .sp
 Link with \fI\-lm\fP.
 .SH DESCRIPTION
+These functions calculate the complex hyperbolic tangent of
+.IR z .
+
 The complex hyperbolic tangent function is defined
 mathematically as:
 .nf