diff --git a/SPEC.md b/SPEC.md
index 5814c5fe..da416f2e 100644
--- a/SPEC.md
+++ b/SPEC.md
@@ -22,7 +22,7 @@ https://docs.google.com/a/coreos.com/document/d/1CTAL4gwqRofjxyp4tTkbgHtAwb2YCcP
 [appc-github]: https://github.com/appc/spec
 [docker]: https://docker.com 
 
-This document aims to specify the interface between "runtimes" and "plugins". Whilst there are certain well known fields, runtimes may wish to pass additional information to plugins to. These extentions are not part of this specification but are documented as [conventions](CONVENTIONS.md).
+This document aims to specify the interface between "runtimes" and "plugins". Whilst there are certain well known fields, runtimes may wish to pass additional information to plugins. These extentions are not part of this specification but are documented as [conventions](CONVENTIONS.md).
 
 ## General considerations