diff --git a/tools/benchmark/README.md b/tools/benchmark/README.md
index 1a8c02b6f8d..4af449d3796 100644
--- a/tools/benchmark/README.md
+++ b/tools/benchmark/README.md
@@ -3,7 +3,7 @@
 `etcd/tools/benchmark` is the official benchmarking tool for etcd clusters.
 
 ## Download and install
-To get `benchmark` from the `master` branch via `go get`:
+To get `benchmark` from the `main` branch via `go get`:
 ```sh
 $ go get go.etcd.io/etcd/tools/benchmark
 # GOPATH should be set
diff --git a/tools/etcd-dump-metrics/README b/tools/etcd-dump-metrics/README
index d96e56e774d..dba52c8741a 100644
--- a/tools/etcd-dump-metrics/README
+++ b/tools/etcd-dump-metrics/README
@@ -1,7 +1,7 @@
 
 go install -v ./tools/etcd-dump-metrics
 
-# for latest master branch
+# for latest main branch
 etcd-dump-metrics > Documentation/metrics/latest
 
 # Or download etcd v3.3.9 to ./bin