From 2c5fc681c809e6bf871a463f1b20e433a338c4f6 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Tue, 7 Jun 2016 17:49:00 +0300
Subject: [PATCH] docs/library/machine.Pin: Mention GPIO and cross-link
 .value() function.

---
 docs/library/machine.Pin.rst | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/docs/library/machine.Pin.rst b/docs/library/machine.Pin.rst
index a2e97c87c..053c6e79b 100644
--- a/docs/library/machine.Pin.rst
+++ b/docs/library/machine.Pin.rst
@@ -3,7 +3,8 @@
 class Pin -- control I/O pins
 =============================
 
-A pin is the basic object to control I/O pins.  It has methods to set
+A pin is the basic object to control I/O pins (also known as GPIO -
+general-purpose input/output). It has methods to set
 the mode of the pin (input, output, etc) and methods to get and set the
 digital logic level. For analog control of a pin, see the ADC class.
 
@@ -132,7 +133,7 @@ Methods
 .. method:: pin([value])
 
    Pin objects are callable. The call method provides a (fast) shortcut to set and get the value of the pin.
-   See **pin.value** for more details.
+   See :func:`pin.value` for more details.
 
 .. method:: pin.alt_list()
 
-- 
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