Fix typo in JavaDoc -- s/note/not

src/main/java/org/elasticsearch/cluster/routing/allocation/decider/NodeVersionAllocationDecider.java

@@ -29,7 +29,7 @@ import org.elasticsearch.common.settings.Settings;
 
 /**
  * An allocation decider that prevents relocation or allocation from nodes
- * that might note be version compatible. If we relocate from a node that runs
+ * that might not be version compatible. If we relocate from a node that runs
  * a newer version than the node we relocate to this might cause {@link org.apache.lucene.index.IndexFormatTooNewException}
  * on the lowest level since it might have already written segments that use a new postings format or codec that is not
  * available on the target node.