diff --git a/design/architecture.md b/design/architecture.md
index 24cf3fef4..842878468 100644
--- a/design/architecture.md
+++ b/design/architecture.md
@@ -39,7 +39,7 @@ may be exported for access via corresponding _services_.
 
 ## Modules
 
-In addition to the subsystems have, we have several components that may cross
+In addition to the subsystems, we have several components that may cross
 subsystem boundaries, referenced to as components. We have the following
 components: