diff --git a/README.md b/README.md
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@@ -30,8 +30,10 @@
    * [Install IntelliJ IDEA](https://www.jetbrains.com/idea/download/)
 
      6.1 Set Project SDK to your JDK (installed in Step 1)  in Intellij - File > Project Structure > Project.
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+7. Restart your machine to implement updated  environment variables (need for some OS).
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+   
 
 # Steps to run this example