Adding Java Migration guide

Author: SnehaGunda

articles/cosmos-db/migrate-java-v4-sdk.md

@@ -23,8 +23,8 @@ The following table lists different Azure Cosmos DB Java SDKs, the package name
 
 | Java SDK| Release Date | Bundled APIs   | Maven Jar  | Java package name  |API Reference   | Release Notes  |
 |-------|------|-----------|-----------|--------------|-------------|---------------------------|
-| Async 2.x.x  | June 2018    | Async(RxJava)  | `com.microsoft.azure::azure-cosmosdb` | `com.microsoft.azure.cosmosdb.rx` | [API](https://azure.github.io/azure-cosmosdb-java/2.0.0/) | [Release Notes](cosmos-db/sql-api-sdk-async-java.md) |
-| Legacy Sync 2.x.x     | Sept 2018    | Sync   | `com.microsoft.azure::azure-documentdb` | `com.microsoft.azure.cosmosdb` | [API](https://azure.github.io/azure-cosmosdb-java/2.0.0/) | [Release Notes](cosmos-db/sql-api-sdk-java.md)  |
+| Async 2.x.x  | June 2018    | Async(RxJava)  | `com.microsoft.azure::azure-cosmosdb` | `com.microsoft.azure.cosmosdb.rx` | [API](https://azure.github.io/azure-cosmosdb-java/2.0.0/) | [Release Notes](sql-api-sdk-async-java.md) |
+| Legacy Sync 2.x.x     | Sept 2018    | Sync   | `com.microsoft.azure::azure-documentdb` | `com.microsoft.azure.cosmosdb` | [API](https://azure.github.io/azure-cosmosdb-java/2.0.0/) | [Release Notes](sql-api-sdk-java.md)  |
 | 3.x.x    | July 2019    | Async(Reactor)/Sync  | `com.microsoft.azure::azure-cosmos`  | `com.azure.data.cosmos` | [API](https://azure.github.io/azure-cosmosdb-java/3.0.0/) | - |
 | 4.0   | April 2020   | Async(Reactor)/Sync  | `com.azure::azure-cosmos` | `com.azure.cosmos`   | -  | -  |