diff --git a/docs/entity_registry_index.md b/docs/entity_registry_index.md
index 91b65b2b..088bead5 100644
--- a/docs/entity_registry_index.md
+++ b/docs/entity_registry_index.md
@@ -19,4 +19,4 @@ Good sources for a unique ID:
  - MAC address of a device
  - latitude/longitude
 
-If a device has a single serial but provides multiple entities, combine the serial with unique identifiers for the entities. For example, if a device measures both temperature and humidithy, you can uniqueley identify the entities using `{serial}-{sensor_type}`.
+If a device has a single serial but provides multiple entities, combine the serial with unique identifiers for the entities. For example, if a device measures both temperature and humidity, you can uniquely identify the entities using `{serial}-{sensor_type}`.