From af88add27370b8abd7dde93547549eadae8c2af9 Mon Sep 17 00:00:00 2001
From: Paul Robert Lloyd <paulrobertlloyd@users.noreply.github.com>
Date: Fri, 19 Jan 2018 19:22:10 +0000
Subject: [PATCH] Update note about naming of collections_dir. (#6703)

Merge pull request 6703
---
 docs/_docs/collections.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/_docs/collections.md b/docs/_docs/collections.md
index d95e2739e76..bd57c302cfb 100644
--- a/docs/_docs/collections.md
+++ b/docs/_docs/collections.md
@@ -58,7 +58,7 @@ defaults:
 <div class="note warning">
   <h5>Be sure to move posts into custom collections directory</h5>
 
-  <p>If you specify a directory to store all your collections in the same place with <code>collections_dir: my_collections</code>, then you will need to move your <code>_posts</code> directory to <code>my_collections/_posts</code>.</p>
+  <p>If you specify a directory to store all your collections in the same place with <code>collections_dir: my_collections</code>, then you will need to move your <code>_posts</code> directory to <code>my_collections/_posts</code>. Note that, the name of your collections directory cannot start with an underscore (`_`).</p>
 </div>
 
 ### Step 2: Add your content {#step2}