From e4c0629c38223db43e91414b2d44a540da47565e Mon Sep 17 00:00:00 2001
From: Julien Cretel <j.cretel@umail.ucc.ie>
Date: Wed, 20 May 2015 10:35:04 +0100
Subject: [PATCH] [erlang/en] Add link to Erlang reference manual

---
 erlang.html.markdown | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/erlang.html.markdown b/erlang.html.markdown
index a897755e..e5db6423 100644
--- a/erlang.html.markdown
+++ b/erlang.html.markdown
@@ -172,7 +172,10 @@ is_pet(A)                                             -> false.
 
 % Warning: not all valid Erlang expressions can be used as guard expressions;
 % in particular, our `is_cat` and `is_dog` functions cannot be used within the
-% guard sequence in `is_pet`'s definition.
+% guard sequence in `is_pet`'s definition. For a list of the built-in
+% functions (BIFs) allowed in guard sequences, refer to this
+% [section](http://erlang.org/doc/reference_manual/expressions.html#id81912)
+% of the Erlang reference manual.
 
 % Records provide a method for associating a name with a particular element in a
 % tuple.