diff --git a/docs/frontend_architecture.md b/docs/frontend_architecture.md
index dfc49571..f38a7dbb 100644
--- a/docs/frontend_architecture.md
+++ b/docs/frontend_architecture.md
@@ -33,7 +33,7 @@ Each page in Home Assistant is a panel. Components can register extra panels to
 
 Folder: `src/dialogs/more-info`
 
-This is a dialog that allows users to see more information about an entity and control it's state.
+This is a dialog that allows users to see more information about an entity and control its state.
 
 The more info dialog can be triggered from any component in the app by firing a DOM event `hass-more-info` with as detail `{ entityId: 'light.kitchen' }`.