diff --git a/README.md b/README.md
index ee2312d..90f435e 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ fmt.Printf("%v\n", val)
 
 ## Performance
 
-Benchmarking conncurrent SET, GET, RANGE, and DELETE operations for 
+Benchmarking concurrent SET, GET, RANGE, and DELETE operations for 
     `sync.Map`, `map[string]interface{}`, `github.com/tidwall/shardmap`. 
 
 ```