diff --git a/source/includes/toc-sharded-cluster-components.yaml b/source/includes/toc-sharded-cluster-components.yaml
index acddb215b2c..9ad97221462 100644
--- a/source/includes/toc-sharded-cluster-components.yaml
+++ b/source/includes/toc-sharded-cluster-components.yaml
@@ -1,6 +1,7 @@
 file: /core/sharded-cluster-shards
 description: |
-  A shard is a :program:`mongod` instance that holds a part of the sharded collection's data.
+  A shard is a single server or replica set that holds a part of the 
+  sharded collection.
 ---
 file: /core/sharded-cluster-config-servers
 description: |