Update index.md

java/development/index.md

@@ -249,14 +249,16 @@ The CAP Java SDK uses various dependencies that are also used by the application
 
 | Dependency | Minimum Version | Recommended Version |
 | --- | --- | --- |
-| Java | 17 | 21 |
+| Java | 17 | 21<sup>1</sup> |
 | @sap/cds-dk | 6 | latest |
 | @sap/cds-compiler | 3 | latest |
 | Spring Boot | 3.0 | latest |
 | XSUAA | 3.0 | latest |
 | SAP Cloud SDK | 4.24 | latest |
 | Java Logging | 3.7 | latest |
 
+<sup>1</sup> When using the SAP Business Application Studio JDK 17 is recommened.
+
 ::: warning
 The Cloud SDK BOM `sdk-bom` manages XSUAA until version 2.x, which isn't compatible with CAP Java 2.x.
 You have two options: