javadoc related error

Author: rishabhmaurya

server/src/main/java/org/opensearch/index/mapper/DerivedFieldValueFetcher.java

@@ -16,7 +16,7 @@
 import java.util.List;
 
 /**
- * The value fetcher contains logic to execute script and fetch the value in form of List<Object>.
+ * The value fetcher contains logic to execute script and fetch the value in form of list of object.
  * It expects DerivedFieldScript.LeafFactory as an input and sets the contract with consumer to call
  * {@link #setNextReader(LeafReaderContext)} whenever a segment is switched.
  */