Fix typo

java -> Java

Author: changeworld

articles/cosmos-db/cassandra/glowroot-cassandra.md

@@ -21,7 +21,7 @@ Glowroot is an application performance management tool used to optimize and moni
 * [Install JAVA (version 8) for Windows](https://developers.redhat.com/products/openjdk/download)
 > [!NOTE]
 > Note that there are certain known incompatible build targets with newer versions. If you already have a newer version of JAVA, you can still download JDK8.
-> If you have newer JAVA installed in addition to JDK8: Set the %JAVA_HOME% variable in the local command prompt to target JDK8. This will only change java version for the current session and leave global machine settings intact. 
+> If you have newer JAVA installed in addition to JDK8: Set the %JAVA_HOME% variable in the local command prompt to target JDK8. This will only change Java version for the current session and leave global machine settings intact. 
 * [Install maven](https://maven.apache.org/download.cgi)
     * Verify successful installation by running: `mvn --version`