diff --git a/tools/merge/merge.cc b/tools/merge/merge.cc
index de9923de6c60136ee6cb715bd8683e967d1bdadc..d2e2a5be3a5f253dd60656f184a985e5eae7a4de 100644
--- a/tools/merge/merge.cc
+++ b/tools/merge/merge.cc
@@ -13,19 +13,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
- *  compile : g++ rocks_merge.cc <path_to_rocksDB_installation>/librocksdb.so.4.1 --std=c++11 -lstdc++fs
+ *  compile : g++ merge.cc <path_to_rocksDB_installation>/librocksdb.so.4.1 --std=c++11 -lstdc++fs
  *  usage : ./<executable> <folder_having_rocksDB_directories_to_be_merged> <destination_folder>
  *
+ *  find the rocksdb headers here https://github.com/facebook/rocksdb/tree/master/include/rocksdb
+ *
  */
 
 #include <fstream>
 #include <cstdio>
 #include <iostream>
 #include <string>
-
 #include "rocksdb/db.h"
 #include "rocksdb/options.h"
-
 #include <experimental/filesystem>
 
 using namespace rocksdb;
diff --git a/tools/merge/merge_heap.cc b/tools/merge/merge_heap.cc
index 49756a54e43f2003195d0c2c50b06f674d5226c1..34e755d54d524896bc8e21d4257b98b66196d603 100644
--- a/tools/merge/merge_heap.cc
+++ b/tools/merge/merge_heap.cc
@@ -13,9 +13,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
- *  compile : g++ rocks_merge.cc <path_to_rocksDB_installation>/librocksdb.so.4.1 --std=c++11 -lstdc++fs
+ *  compile : g++ merge_heap.cc <path_to_rocksDB_installation>/librocksdb.so.4.1 --std=c++11 -lstdc++fs
  *  usage : ./<executable> <folder_having_rocksDB_directories_to_be_merged> <destination_folder>
  *
+ *  rocksdb headers can be found here https://github.com/facebook/rocksdb/tree/master/include/rocksdb
  */
 
 #include <fstream>
@@ -24,10 +25,8 @@
 #include <string>
 #include <queue>
 #include <vector>
-
 #include "rocksdb/db.h"
 #include "rocksdb/options.h"
-
 #include <experimental/filesystem>
 
 using namespace rocksdb;