From 015ec9c0fed7574c574ff962da6574ba4a3dae2f Mon Sep 17 00:00:00 2001
From: Julian Rex <julian.rex@mapbox.com>
Date: Sat, 12 Jan 2019 18:23:52 -0500
Subject: Update predicates/expressions guide with the other cluster
 attributes.

---
 platform/darwin/docs/guides/Predicates and Expressions.md | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/platform/darwin/docs/guides/Predicates and Expressions.md b/platform/darwin/docs/guides/Predicates and Expressions.md
index 71c869f7fe..0bb26b3bfd 100644
--- a/platform/darwin/docs/guides/Predicates and Expressions.md	
+++ b/platform/darwin/docs/guides/Predicates and Expressions.md	
@@ -120,7 +120,7 @@ dictionary contains the `floorCount` key, then the key path `floorCount` refers
 to the value of the `floorCount` attribute when evaluating that particular
 polygon.
 
-The following special attribute is also available on features that are produced
+The following special attributes are also available on features that are produced
 as a result of clustering multiple point features together in a shape source:
 
 <table>
@@ -128,6 +128,16 @@ as a result of clustering multiple point features together in a shape source:
 <tr><th>Attribute</th><th>Type</th><th>Meaning</th></tr>
 </thead>
 <tbody>
+<tr>
+   <td><code>cluster</code></td>
+   <td>Bool</td>
+   <td>True if the feature is a point cluster. If the attribute is false (or not present) then the  feature should not be considered a cluster.</td>
+</tr>
+<tr>
+   <td><code>cluster_id</code></td>
+   <td>Number</td>
+   <td>Identifier for the point cluster.</td>
+</tr>
 <tr>
    <td><code>point_count</code></td>
    <td>Number</td>
-- 
cgit v1.2.1