Docs: Use "BOARD_LED_PIN" instead of "13".

Fix examples where pin 13 was used explicitly instead of
BOARD_LED_PIN.  Also change an AVR-specific example in
docs/lang/cpp/booleanvariables.rst to Maple conventions.

1 files changed, 2 insertions, 2 deletions

diff --git a/docs/source/lang/cpp/int.rst b/docs/source/lang/cpp/int.rst
index 3e96b69..fa63946 100644
--- a/docs/source/lang/cpp/int.rst
+++ b/docs/source/lang/cpp/int.rst
@@ -28,10 +28,10 @@ dealing with the :ref:`bitshift right operator (>>)
 
 The ``long`` type is a synonym for ``int``.
 
-Here is an example of declaring an ``int`` variable named ``ledPin``,
+Here is an example of declaring an ``int`` variable named ``pin``,
 then giving it value 13::
 
-    int ledPin = 13;
+    int pin = 13;
 
 The general syntax for declaring an ``int`` variable named ``var``,
 then giving it value ``val``, looks like::