Fix grammar in plugin readme (#707)

packages/protoc-gen-es/README.md

@@ -133,7 +133,7 @@ By default, [protoc-gen-es](https://www.npmjs.com/package/@bufbuild/protoc-gen-e
 (and all other plugins based on [@bufbuild/protoplugin](https://www.npmjs.com/package/@bufbuild/protoplugin))
 generate an annotation at the top of each file: `// @ts-nocheck`.
 
-We generate the annotation to support a wide of compiler configurations and
-future changes to the language. But there can be situation where the annotation
+We generate the annotation to support a wide range of compiler configurations and
+future changes to the language. But there can be situations where the annotation
 shadows an underlying problem, for example an unresolvable import. To remove 
 the annotation and to enable type checks, set the plugin option `ts_nocheck=false`.