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 # GCN Schema
 
-This repository contains the schemas essential schemas necessary for crafting new GCN notices. It also includes mission-specific schemas and illustrative examples, which are distributed by [GCN Kafka](https://gcn.nasa.gov). These schemas are one of the important step in the process of establishing [New Notice](https://gcn.nasa.gov/docs/producers) for both existing and new missions.
+This repository contains the schemas necessary for crafting new GCN notices. It also includes mission-specific schemas and illustrative examples, which are distributed by [GCN Kafka](https://gcn.nasa.gov). These schemas are one of the important step in the process of establishing [New Notice](https://gcn.nasa.gov/docs/producers) for both existing and new missions.
 
 The alert format for new Notices over GCN Kafka is JSON. We have designed a set of core schema which serve as the building blocks for new GCN Notices. Instrument-specific schema can also be created, but we request that you utilize the core schema as much as possible.