Add note about JRE vs JDK

Author: quinntracy

content/en/docs/refguide/installation/system-requirements.md

@@ -221,6 +221,11 @@ The Mendix Docker buildpack supports the following Kubernetes versions:
 
 When running Mendix on a server, you will need Java Runtime Environment 21 (JRE). To download an Eclipse Temurin OpenJDK distribution from Adoptium, see [Eclipse Temurin™ Latest Releases](https://adoptium.net/temurin/releases). To download a commercial Oracle distribution, see [Java SE Downloads](https://www.oracle.com/technetwork/java/javase/downloads/index.html).
 
+{{% alert type="info" %}}
+A Java Runtime Environment (JRE) is the environment needed to run Mendix on a server. This is not to be confused with a Java Development Kit (JDK), which is supported by some versions of Studio Pro and used to create and develop apps. For more information on installing a JDK, see [JDK Installation](/refguide/jdk-installation/).
+
+{{% /alert %}} 
+
 ## Databases {#databases}
 
 Mendix tries to support the most recent and patched database server versions from database vendors. We aim to add support for a new vendor version two minor Mendix versions after the vendor has released it. Dropping support for a database will be announced in the release notes at the date the vendor drops support. We will drop support two minor Mendix versions later.

content/en/docs/refguide10/installation/system-requirements.md

@@ -234,6 +234,11 @@ When running Mendix on a server, you need Java Runtime Environment (JRE). To dow
 Studio Pro 10.21 and above (including the future 10.24 LTS) does not support Java 11. Upgrade your application to Java 21 before migrating.
 {{% /alert %}}
 
+{{% alert type="info" %}}
+A Java Runtime Environment (JRE) is the environment needed to run Mendix on a server. This is not to be confused with a Java Development Kit (JDK), which is supported by some versions of Studio Pro and used to create and develop apps. For more information on installing a JDK, see [JDK Installation](/refguide10/jdk-installation/).
+
+{{% /alert %}} 
+
 ## Databases {#databases}
 
 Mendix tries to support the most recent and patched database server versions from database vendors. We aim to add support for a new vendor version two minor Mendix versions after the vendor has released it. Dropping support for a database will be announced in the release notes at the date the vendor drops support. We will drop support two minor Mendix versions later.