diff --git a/tools/db_bench_tool.cc b/tools/db_bench_tool.cc
index ac5677407..e994f8e9a 100644
--- a/tools/db_bench_tool.cc
+++ b/tools/db_bench_tool.cc
@@ -5677,12 +5677,12 @@ class Benchmark {
     }
   };
 
-  // The social graph wokrload mixed with Get, Put, Iterator queries.
+  // The social graph workload mixed with Get, Put, Iterator queries.
   // The value size and iterator length follow Pareto distribution.
   // The overall key access follow power distribution. If user models the
   // workload based on different key-ranges (or different prefixes), user
   // can use two-term-exponential distribution to fit the workload. User
-  // needs to decides the ratio between Get, Put, Iterator queries before
+  // needs to decide the ratio between Get, Put, Iterator queries before
   // starting the benchmark.
   void MixGraph(ThreadState* thread) {
     int64_t read = 0;  // including single gets and Next of iterators