diff --git a/README.md b/README.md
index 1929940ad3..9c1a31ff98 100644
--- a/README.md
+++ b/README.md
@@ -552,7 +552,7 @@ func main() {
 	credential := common.NewCredential("secretId", "secretKey")
 	prof := profile.NewClientProfile()
 	prof.RateLimitExceededMaxRetries = 3                               // 定义最大重试次数
-	prof.RateLimitExceededRetryDuration = profile.ExponentialBackoff   // 定义重试建个时间
+	prof.RateLimitExceededRetryDuration = profile.ExponentialBackoff   // 定义重试间隔时间
 	client, _ := cvm.NewClient(credential, regions.Guangzhou, prof)
 
 	// ...