Update CONTRIBUTING.md

Co-authored-by: Shawn <[email protected]>

CONTRIBUTING.md

@@ -247,7 +247,7 @@ ICS adheres to the [trunk based development branching model](https://trunkbasedd
 
 ICS follows [semantic versioning](https://semver.org), but with the following deviations (similar to [IBC-Go](https://github.com/cosmos/ibc-go/blob/main/RELEASES.md)):
 
-- An library API breaking change will result in an increase of the MAJOR version number (X.y.z | x > 0). 
+- A library API breaking change will result in an increase of the MAJOR version number (X.y.z | x > 0). 
 - A state breaking change (change requiring coordinated upgrade and/or state migration for the consumer, the provider, or both) will result in an increase of the MINOR version number (x.Y.z | x > 0).
 - Any other changes (including node API breaking changes) will result in an increase of the PATCH version number (x.y.Z | x > 0).