diff --git a/README.md b/README.md
index dbff926..9d70c3a 100644
--- a/README.md
+++ b/README.md
@@ -3,4 +3,4 @@
 Pack encoder / decoder for Yorick.
 
 This library allows ykrustc to serialise various compile-time information for
-later reading at runtime.
+later reading at run-time.