Update readme file.

Author: mo-esmp

README.md

@@ -21,7 +21,7 @@ Then install one of the providers based upon your sink:
 | Serilog.UI.MySqlProvider       | `Install-Package Serilog.UI.MySqlProvider`       | [NuGet package](https://www.nuget.org/packages/Serilog.UI.MySqlProvider)       |
 | Serilog.UI.PostgreSqlProvider  | `Install-Package Serilog.UI.PostgreSqlProvider`  | [NuGet package](https://www.nuget.org/packages/Serilog.UI.PostgreSqlProvider)  |
 | Serilog.UI.MongoDbProviderr    | `Install-Package Serilog.UI.MongoDbProvider`     | [NuGet package](https://www.nuget.org/packages/Serilog.UI.MongoDbProvider)     |
-| Serilog.UI.ElasticSearchDbProvider | `Install-Package Serilog.UI.ElasticSearchDbProvider` | [NuGet package](https://www.nuget.org/packages/Serilog.UI.ElasticSearchDbProvider) |
+| Serilog.UI.ElasticSearchProvider | `Install-Package Serilog.UI.ElasticSearcProvider` | [NuGet package](https://www.nuget.org/packages/Serilog.UI.ElasticSearchProvider) |
 
 Then, add `AddSerilogUi()` to `IServiceCollection` in `Startup.ConfigureServices` method: