diff --git a/README.md b/README.md
index 9eab6d1..6837039 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # PCM Metadata Bundle
 
-Easily add metadata to a Symfony entity via the use of a key-value interface.
+Easily add scalar metadata to a Symfony entity via the use of a key-value interface.
 
 # Usage
 1. Use the `MetadataTrait` inside an entity:
@@ -20,3 +20,4 @@ $entity->metadata->isSet("name"); // true
 
 > Like setting a property normally, setting metadata values will not automatically update the database.
 You must call `flush()` from the `EntityManager` as usual when you wish to persist data.
+