diff --git a/include/rocksdb/perf_context.h b/include/rocksdb/perf_context.h
index aee719ff142edb011d35ea8583986419bb3bdfc5..126d16572542ea9e3742afdc7a389e310cdb5b81 100644
--- a/include/rocksdb/perf_context.h
+++ b/include/rocksdb/perf_context.h
@@ -78,7 +78,7 @@ struct PerfContext {
   uint64_t read_filter_block_nanos;
   // Time spent on creating data block iterator
   uint64_t new_table_block_iter_nanos;
-  // Time spent on new_table_block_iter_micros
+  // Time spent on creating a iterator of an SST file.
   uint64_t new_table_iterator_nanos;
   // Time spent on seeking a key in data/index blocks
   uint64_t block_seek_nanos;
diff --git a/util/perf_context.cc b/util/perf_context.cc
index 2ba35ca72415251b1bb1f1fcad2ff098f9d1bf32..643b3f00438f31b93871cb3030291919a1440b94 100644
--- a/util/perf_context.cc
+++ b/util/perf_context.cc
@@ -50,7 +50,7 @@ void PerfContext::Reset() {
   read_index_block_nanos = 0;
   read_filter_block_nanos = 0;
   new_table_block_iter_nanos = 0;
-  new_table_block_iter_nanos = 0;
+  new_table_iterator_nanos = 0;
   block_seek_nanos = 0;
   find_table_nanos = 0;
 #endif