javadocs fixed

redisson/src/main/java/org/redisson/api/RSearch.java

@@ -195,7 +195,9 @@ public interface RSearch extends RSearchAsync {
     void dropIndex(String indexName);
 
     /**
-     * Deletes index by name and associated documents
+     * Deletes index by name and associated documents.
+     * Associated documents are deleted asynchronously.
+     * Method {@link #info(String)} can be used to check for process completion.
      *
      * @param indexName index name
      */

redisson/src/main/java/org/redisson/api/RSearchAsync.java

@@ -188,7 +188,9 @@ public interface RSearchAsync {
     RFuture<List<String>> dumpDictAsync(String dictionary);
 
     /**
-     * Deletes index by name
+     * Deletes index by name and associated documents.
+     * Associated documents are deleted asynchronously.
+     * Method {@link #infoAsync(String)} can be used to check for process completion.
      *
      * @param indexName index name
      */

redisson/src/main/java/org/redisson/api/RSearchReactive.java

@@ -196,7 +196,9 @@ public interface RSearchReactive {
     Mono<Void> dropIndex(String indexName);
 
     /**
-     * Deletes index by name and associated documents
+     * Deletes index by name and associated documents.
+     * Associated documents are deleted asynchronously.
+     * Method {@link #info(String)} can be used to check for process completion.
      *
      * @param indexName index name
      */

redisson/src/main/java/org/redisson/api/RSearchRx.java

@@ -198,7 +198,9 @@ public interface RSearchRx {
     Completable dropIndex(String indexName);
 
     /**
-     * Deletes index by name and associated documents
+     * Deletes index by name and associated documents.
+     * Associated documents are deleted asynchronously.
+     * Method {@link #info(String)} can be used to check for process completion.
      *
      * @param indexName index name
      */