diff --git a/src/seth/CHANGELOG.md b/src/seth/CHANGELOG.md
index 89da50228..24aaa460a 100644
--- a/src/seth/CHANGELOG.md
+++ b/src/seth/CHANGELOG.md
@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `seth --from-fix` command converts fixed point numbers into parsed integers with the specified number of decimals
 - `seth run-tx` now fetches contract source from etherscan if `ETHERSCAN_API_KEY` is set
 - `seth mktx` now estimates gas limit if `ETH_GAS` is not set
+- `seth send` now estimates gas limit if `ETH_GAS` is not set
 
 ### Fixed
 
diff --git a/src/seth/README.md b/src/seth/README.md
index b087a6b1d..0786eae9c 100644
--- a/src/seth/README.md
+++ b/src/seth/README.md
@@ -659,6 +659,7 @@ node's gas estimation.
     seth estimate [<options>] <to> <sig> [<args>]
     seth estimate [<options>] --create <code> <sig> [<args>]
     seth estimate [<options>] --create <code> <data>
+    seth estimate [<options>] --create <data>
 
 Options are similar to [`seth send`], but no transaction is published.