diff --git a/README.md b/README.md
index a54556e4..997bfb65 100644
--- a/README.md
+++ b/README.md
@@ -219,7 +219,7 @@ in the following tables.
 |---------------|-----------------|----------------------|--------------------|
 | printf        |             1.6 |                   54 |                 50 |
 | IOStreams     |            25.6 |                   98 |                 84 |
-| {fmt}         |             4.8 |                   54 |                 50 |
+| {fmt} 1b7d9db |             4.8 |                   54 |                 50 |
 | tinyformat    |            30.5 |                  161 |                136 |
 | Boost Format  |            56.7 |                  530 |                317 |
 
@@ -233,7 +233,7 @@ Folly Format have the largest overheads.
 |---------------|-----------------|----------------------|--------------------|
 | printf        |             1.4 |                   54 |                 50 |
 | IOStreams     |            24.2 |                   92 |                 68 |
-| {fmt}         |             4.7 |                  217 |                214 |
+| {fmt} 1b7d9db |             4.7 |                  217 |                214 |
 | tinyformat    |            25.7 |                  204 |                161 |
 | Boost Format  |            37.5 |                  831 |                462 |