diff --git a/README.md b/README.md
index b795923..232b7ff 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ Thanks to Jaroslav Kalistsuk for the [original implementation](https://gist.gith
 
 ### Mappings
 
-When changing the mapping in a model, you must create a new index for the changes to take place.  Elasticsearch does not support updates to the mapping.  For zero downtime, use the `reindex` method above which creates a new index and swaps it in once built. To see the current mapping, use:
+When changing the mapping in a model, you must create a new index for the changes to take place.  Elasticsearch does not support updates to mappings.  For zero downtime, use the `reindex` method above, which creates a new index and swaps it in after it's built.  To view the current mapping, use:
 
 ```sh
 curl "http://localhost:9200/books/_mapping?pretty=1"
--
libgit2 0.21.0