diff --git a/docs/architecture_index.md b/docs/architecture_index.md
index 222e2672..20ef6f18 100644
--- a/docs/architecture_index.md
+++ b/docs/architecture_index.md
@@ -16,4 +16,4 @@ Home Assistant provides a platform for home control and home automation. Home As
 
 ## Running parts of the stack
 
-Users have different requirements what they want from a home automation platform. That's why it is possible to run only part of the Home Assistant stack. For more information, see the [installation instructions](https://www.home-assistant.io/installation/).
+Users have different requirements for what they want from a home automation platform. That's why it is possible to run only part of the Home Assistant stack. For more information, see the [installation instructions](https://www.home-assistant.io/installation/).