diff --git a/core-principles/contract.md b/core-principles/contract.md
index ecb933a..a96c25e 100644
--- a/core-principles/contract.md
+++ b/core-principles/contract.md
@@ -1,4 +1,4 @@
 # Contract 
-Approved API Design, represented by its API Description, **MUST** represent the **contract** between API stakeholder, implementers and consumers.
+Approved API Design, represented by its API Description, **MUST** represent the **contract** between API stakeholder, implementers, and consumers.
 
-Any change to an API **MUST** be accompanied by a relevant change in the contract (API Description). 
\ No newline at end of file
+Any change to an API **MUST** be accompanied by a related update to the contract (API Description).