readme fix elasticsearch instrumented lib (#75)

Author: Yaniv Davidi

README.md

@@ -23,7 +23,7 @@ js extensions for the [open-telemetry](https://opentelemetry.io/) project, from
 | [opentelemetry-instrumentation-typeorm](./packages/instrumentation-typeorm) | [`TypeORM`](https://typeorm.io/) | [![NPM version](https://img.shields.io/npm/v/opentelemetry-instrumentation-typeorm.svg)](https://www.npmjs.com/package/opentelemetry-instrumentation-typeorm) |
 | [opentelemetry-instrumentation-sequelize](./packages/instrumentation-sequelize) | [`Sequelize`](https://sequelize.org/) | [![NPM version](https://img.shields.io/npm/v/opentelemetry-instrumentation-sequelize.svg)](https://www.npmjs.com/package/opentelemetry-instrumentation-sequelize) |
 | [opentelemetry-instrumentation-mongoose](./packages/instrumentation-mongoose) | [`mongoose`](https://mongoosejs.com/) | [![NPM version](https://img.shields.io/npm/v/opentelemetry-instrumentation-mongoose.svg)](https://www.npmjs.com/package/opentelemetry-instrumentation-mongoose) |
-| [opentelemetry-instrumentation-elasticsearch](./packages/instrumentation-elasticsearch) | [`elasticsearch`](https://www.npmjs.com/package/@elastic/elasticsearch) | [![NPM version](https://img.shields.io/npm/v/opentelemetry-instrumentation-elasticsearch.svg)](https://www.npmjs.com/package/opentelemetry-instrumentation-elasticsearch) |
+| [opentelemetry-instrumentation-elasticsearch](./packages/instrumentation-elasticsearch) | [`@elastic/elasticsearch`](https://www.npmjs.com/package/@elastic/elasticsearch) | [![NPM version](https://img.shields.io/npm/v/opentelemetry-instrumentation-elasticsearch.svg)](https://www.npmjs.com/package/opentelemetry-instrumentation-elasticsearch) |
 | [opentelemetry-instrumentation-neo4j](./packages/instrumentation-neo4j) | [`neo4j-driver`](https://github.com/neo4j/neo4j-javascript-driver/) | [![NPM version](https://img.shields.io/npm/v/opentelemetry-instrumentation-neo4j.svg)](https://www.npmjs.com/package/opentelemetry-instrumentation-neo4j) |
 
 ## Compatibility with opentelemetry versions