Update readme

Author: johndelcastillo

README.md

@@ -4,7 +4,7 @@
 
 *Project Status: beta*
 
-# Note - The Cassandra-Exporter tool does not support Cassandra 4.0 or newer, see the compatibility section for more details on supported versions.
+# Note - The Cassandra-Exporter tool does not support all versions of Cassandra, see the compatibility section for more details on supported versions.
 
 
 ## Introduction