IDEA-140344 offer to configure "User-local build process heap size" instead of...

IDEA-140344 offer to configure "User-local build process heap size" instead of VM options in README.md

GitOrigin-RevId: 2d27f1073da11d6be6265c3cc9081762e759ac9d

README.md

@@ -45,8 +45,8 @@ Using IntelliJ IDEA **File | Open**, select the `<IDEA_HOME>` directory.
    "**MAVEN_REPOSITORY**" pointing to `<USER_HOME>/.m2/repository` directory.
 3. _**Speed Tip:**_ If you have enough RAM on your computer,
    [configure the compiler settings](https://www.jetbrains.com/help/idea/specifying-compilation-settings.html)
-   to enable the "Compile independent modules in parallel" option. Also, copy value from "Shared build process VM options" to 
-   "User-local build process VM options" and add `-Xmx2G` to it. These changes will greatly reduce compilation time.
+   to enable the "Compile independent modules in parallel" option. Also, set "User-local build process heap size" to 2048.
+   These changes will greatly reduce compilation time.
 
 ### Building the IntelliJ Application Source Code
 To build IntelliJ IDEA Community Edition from source, choose **Build | Build Project** from the main menu.