diff --git a/_opensearch/install/compatibility.md b/_opensearch/install/compatibility.md
index 7ac554b4..27de54be 100644
--- a/_opensearch/install/compatibility.md
+++ b/_opensearch/install/compatibility.md
@@ -17,3 +17,5 @@ nav_order: 2
 OpenSearch version | Compatible Java versions | Recommended operating systems
 :--- | :--- | :---
 1.x | 8, 11, 15 | Red Hat Enterprise Linux 7, 8; CentOS 7, 8; Amazon Linux 2; Ubuntu 16.04, 18.04, 20.04
+
+If you plan on running applications besides OpenSearch with different Java requirements, set the `OPENSEARCH_JAVA_HOME` environment variable to the location of the Java installation to be used by OpenSearch. The `OPENSEARCH_JAVA_HOME` supersedes the `JAVA_HOME` environment variable.
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