diff --git a/include/rocksdb/merge_operator.h b/include/rocksdb/merge_operator.h
index 9b36c3bf86d9b567f9d7a5b1abc7920c72dc56ae..cd7563cff341511ed08b2369aa52b020fa2c4d79 100644
--- a/include/rocksdb/merge_operator.h
+++ b/include/rocksdb/merge_operator.h
@@ -185,9 +185,9 @@ class MergeOperator {
 
   // Determines whether the MergeOperator can be called with just a single
   // merge operand.
-  // Override and return true for allowing a single operand. FullMergeV2 and
-  // PartialMerge/PartialMergeMulti should be implemented accordingly to handle
-  // a single operand.
+  // Override and return true for allowing a single operand. Both FullMergeV2
+  // and PartialMerge/PartialMergeMulti should be overridden and implemented
+  // correctly to handle a single operand.
   virtual bool AllowSingleOperand() const { return false; }
 
   // Allows to control when to invoke a full merge during Get.