all: update installation instruction (#4)

KevinTchokodeu · web-flow · commit 780ecfcf4b29 · 2021-11-29T18:07:28.000+01:00
diff --git a/README.md b/README.md
@@ -3,7 +3,7 @@
 Reliable performance measurement for Go programs. All in one design.
 
 ```
-$ go get golang.design/x/bench
+$ go install golang.design/x/bench@latest
 ```
 
 ## Features
